Oakland, CA

3:57 AM PDT on May 25, 2012 (GMT -0700)
Elev: 59 ft
Lon: 122.2° W
Lat: 37.8° N
Source
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Active Advisory: Special Statement (US Severe Weather)
Tropical Weather: Invest 94 (North Atlantic) Hurricane Bud (East Pacific) Typhoon Sanvu (Western Pacific)
Weather Summary
Jessica Parker
Weather Underground Forecast for Friday, May 25, 2012.

Expect more active weather to develop across the Great Lakes on Friday, as a low pressure system moves from the Upper Midwest into eastern Canada. This system will push a cold front over the Great Lakes and Midwest, producing scattered showers and thunderstorms throughout the day. There is a slight chance that some of these storms will turn severe with strong winds and large hail. Rainfall totals will range from 1 to 2 inches, with over 2 inches likely in areas of severe weather development.

Behind this activity in the West, a low pressure system will move over the Great Basin and into the Southern Rockies. Flow around this system will produce cooler temperatures across the West, while also triggering scattered showers over the Pacific Northwest, northern California, and Intermountain West. Snow showers may develop again across the highest elevations of the Northern Rockies.

Meanwhile in the East, high pressure builds from the Plains, over the Mississippi River Valley, and into the Eastern US. This will keep moisture away to the north, allowing for dry, sunny, and warm conditions. High temperatures will range in the 80s and 90s from the Central Plains through the Eastern Valleys, with parts of the Southern US reaching into the lower 100s.
Weather Underground Forecast for Friday, May 25, 2012.

Expect more active weather to develop across the Great Lakes on Friday, as a low pressure system moves from the Upper Midwest into eastern Canada. This system will push a cold front over the Great Lakes and Midwest, producing scattered showers and thunderstorms throughout the day. There is a slight chance that some of these storms will turn severe with strong winds and large hail. Rainfall totals will range from 1 to 2 inches, with over 2 inches likely in areas of severe weather development.

Behind this activity in the West, a low pressure system will move over the Great Basin and into the Southern Rockies. Flow around this system will produce cooler temperatures across the West, while also triggering scattered showers over the Pacific Northwest, northern California, and Intermountain West. Snow showers may develop again across the highest elevations of the Northern Rockies.

Meanwhile in the East, high pressure builds from the Plains, over the Mississippi River Valley, and into the Eastern US. This will keep moisture away to the north, allowing for dry, sunny, and warm conditions. High temperatures will range in the 80s and 90s from the Central Plains through the Eastern Valleys, with parts of the Southern US reaching into the lower 100s.
Weather Underground Broadcast Network

Oakland Weather at a Glance

Updated 2:53 AM PDT
Weather Station
Oakland (KOAK)
Elevation
3 ft
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Now
Partly Cloudy
Partly Cloudy
Temperature
51 °F
Feels Like 51 °F
Wind(mph)
25
Sunrise / Set
5:51 AM
8:20 PM
Moon
Waxing Crescent
Tonight
Clear 48 °F
Clear
Friday
Thunderstorm 59 °F
T-storms
20% chance of precipitation
Friday Night
Thunderstorm 52 °F
T-storms
20% chance of precipitation
Saturday
Partly Cloudy 61 | 52 °F
Partly Cloudy
Sunday
Partly Cloudy 64 | 52 °F
Partly Cloudy
Monday
Partly Cloudy 61 | 48 °F
Partly Cloudy
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
29.74 in
Visibility
10.0 miles
Clouds
Few 1500 ft
Moisture
Humidity
74%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KOAK 250953Z 28022KT 10SM FEW015 11/06 A2974 RMK AO2 PK WND 28027/0854 SLP071 T01060061 $
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
51 °F
Dew Point
43 °F
Wind
Speed / Dir
25 mph from West
Wind Gust
Health
UV
0 out of 16
Pollen
6.40 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Friday
tstorms Mostly cloudy with thunderstorms and a chance of rain. High of 59F. Breezy. Winds from the WNW at 15 to 25 mph with gusts to 30 mph. Chance of rain 20%.
Friday Night
nt_tstorms Mostly cloudy with thunderstorms and a chance of rain in the evening, then partly cloudy. Low of 52F. Winds from the WSW at 5 to 10 mph. Chance of rain 20%.
Saturday
partlycloudy Overcast in the morning, then partly cloudy. High of 61F. Breezy. Winds from the West at 15 to 20 mph.
Saturday Night
nt_partlycloudy Overcast. Low of 52F. Winds from the WSW at 5 to 20 mph.
Sunday
partlycloudy Overcast in the morning, then partly cloudy. High of 64F. Breezy. Winds from the West at 15 to 20 mph.
Sunday Night
nt_partlycloudy Partly cloudy in the evening, then overcast. Fog overnight. Low of 52F. Winds from the West at 5 to 10 mph.
Monday
partlycloudy Overcast in the morning, then partly cloudy. High of 61F. Winds from the West at 5 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the West at 5 to 10 mph.
Tuesday
partlycloudy Overcast in the morning, then partly cloudy. High of 61F. Winds from the West at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 50F. Winds from the West at 5 to 10 mph.
Wednesday
partlycloudy Partly cloudy. High of 70F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds less than 5 mph.
Thursday
partlycloudy Partly cloudy. High of 70F. Winds from the West at 5 to 10 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds from the WSW at 5 to 10 mph.
Friday
partlycloudy Partly cloudy. High of 72F. Winds from the WSW at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds from the West at 5 to 15 mph.
Saturday
partlycloudy Partly cloudy. High of 66F. Winds from the West at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds from the West at 5 to 15 mph.
Sunday
clear Clear. High of 66F. Winds from the WNW at 5 to 20 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds from the WNW at 10 to 15 mph.
Monday
clear Clear. High of 66F. Winds from the WNW at 5 to 15 mph.
Monday Night
nt_clear Clear. Low of 50F. Winds from the WNW at 5 to 15 mph.
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Forecast

View Calendar 10-Day Forecast for station KOAK

Friday, 25
Thunderstorm
59 | 52 °F
T-storms
Chance of
Precipitation
20%
Saturday, 26
Partly Cloudy
61 | 52 °F
Partly Cloudy
Chance of
Precipitation
10%
Sunday, 27
Partly Cloudy
64 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 28
Partly Cloudy
61 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 29
Partly Cloudy
61 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 30
Partly Cloudy
70 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Partly Cloudy
70 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 1
Partly Cloudy
72 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 2
Partly Cloudy
66 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 3
Clear
66 | 50 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Friday
tstorms Mostly cloudy with thunderstorms and a chance of rain. High of 59F. Breezy. Winds from the WNW at 15 to 25 mph with gusts to 30 mph. Chance of rain 20%.
Friday Night
nt_tstorms Mostly cloudy with thunderstorms and a chance of rain in the evening, then partly cloudy. Low of 52F. Winds from the WSW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 49 | 45 59 | 46 58 | 45 54 | 47
Wind 15 mph WNW 18 mph WNW 16 mph West 7 mph WSW
Humidity 84% 62% 61% 74%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 56% 86% 75% 70%
Conditions Chance of Rain Thunderstorm Thunderstorm Mostly Cloudy
Sunrise & Sunset
5:51 AM
8:20 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.06], Average RMSE [1.81]
The National Weather Service forecast quality is fair. MaxT RMSE [2.90], Average RMSE [1.46] : Use NWS
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Saturday
partlycloudy Overcast in the morning, then partly cloudy. High of 61F. Breezy. Winds from the West at 15 to 20 mph.
Saturday Night
nt_partlycloudy Overcast. Low of 52F. Winds from the WSW at 5 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 47 57 | 51 59 | 53 52 | 49
Wind 7 mph SW 17 mph West 19 mph West 7 mph WSW
Humidity 83% 79% 75% 89%
Chance of Precip. 10% 10% 0% 10%
Cloud Cover 51% 100% 35% 100%
Conditions Partly Cloudy Overcast Partly Cloudy Overcast
Sunrise & Sunset
5:51 AM
8:21 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.53], Average RMSE [2.02]
The National Weather Service forecast quality is fair. MaxT RMSE [2.79], Average RMSE [1.44] : Use NWS
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Sunday
partlycloudy Overcast in the morning, then partly cloudy. High of 64F. Breezy. Winds from the West at 15 to 20 mph.
Sunday Night
nt_partlycloudy Partly cloudy in the evening, then overcast. Fog overnight. Low of 52F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 49 60 | 50 62 | 48 56 | 51
Wind 5 mph SW 15 mph West 14 mph West 7 mph West
Humidity 90% 70% 62% 84%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 100% 65% 27% 44%
Conditions Overcast Mostly Cloudy Partly Cloudy Fog
Sunrise & Sunset
5:50 AM
8:22 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.71], Average RMSE [1.98]
The National Weather Service forecast quality is fair. MaxT RMSE [3.12], Average RMSE [1.44] : Use NWS
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Monday
partlycloudy Overcast in the morning, then partly cloudy. High of 61F. Winds from the West at 5 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 51 58 | 51 60 | 53 53 | 47
Wind 6 mph West 10 mph West 11 mph West 6 mph West
Humidity 95% 76% 78% 83%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 100% 67% 28% 37%
Conditions Fog Mostly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:50 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.55], Average RMSE [2.21]
The National Weather Service forecast quality is poor. MaxT RMSE [3.71], Average RMSE [1.50] : Use NWS
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Tuesday
partlycloudy Overcast in the morning, then partly cloudy. High of 61F. Winds from the West at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 50F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 50 58 | 51 60 | 49 53 | 50
Wind 5 mph WNW 7 mph West 9 mph West 6 mph West
Humidity 94% 73% 69% 85%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 47% 46% 21% 33%
Conditions Fog Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:49 AM
8:23 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.96], Average RMSE [2.30]
The National Weather Service forecast quality is poor. MaxT RMSE [3.84], Average RMSE [1.44] : Use NWS
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy. High of 70F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 51 64 | 54 64 | 53 56 | 49
Wind 5 mph West 7 mph West 9 mph West 5 mph West
Humidity 92% 68% 66% 82%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 39% 27% 25% 34%
Conditions Fog Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:49 AM
8:23 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.93], Average RMSE [2.42]
The National Weather Service forecast quality is poor. MaxT RMSE [4.04], Average RMSE [1.47] : Use NWS
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 70F. Winds from the West at 5 to 10 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds from the WSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 52 64 | 53 62 | 49 56 | 51
Wind 3 mph WSW 5 mph West 8 mph West 5 mph WSW
Humidity 94% 64% 62% 82%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 32% 24% 18% 32%
Conditions Partly Cloudy Clear Clear Partly Cloudy
Sunrise & Sunset
5:49 AM
8:23 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.84], Average RMSE [2.59]
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 72F. Winds from the WSW at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 53 67 | 57 64 | 53 56 | 54
Wind 4 mph WSW 6 mph WSW 10 mph West 9 mph West
Humidity 91% 69% 67% 91%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 45% 45% 27% 31%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:49 AM
8:23 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.42], Average RMSE [2.98]
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 66F. Winds from the West at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 55 65 | 55 63 | 54 55 | 51
Wind 7 mph West 8 mph West 13 mph West 10 mph West
Humidity 98% 72% 71% 85%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 45% 56% 31% 40%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:49 AM
8:23 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.48], Average RMSE [2.69]
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Sunday
clear Clear. High of 66F. Winds from the WNW at 5 to 20 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds from the WNW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 49 63 | 53 64 | 49 53 | 45
Wind 8 mph WNW 9 mph WNW 15 mph WNW 11 mph WNW
Humidity 86% 69% 58% 70%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 5% 3% 1% 1%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:23 PM
Source: BestForecast at 1:01 AM PDT on May 25, 2012
Descriptive Forecast
Monday
clear Clear. High of 66F. Winds from the WNW at 5 to 15 mph.
Monday Night
nt_clear Clear. Low of 50F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 46 63 | 51 64 | 49 53 | 45
Wind 8 mph WNW 9 mph WNW 14 mph WNW 9 mph WNW
Humidity 79% 64% 55% 70%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 1% 1% 1% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:23 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 25, 2012 Max Temp Min Temp
Normal 68 °F 53 °F
Record 94 °F (1951) 45 °F (1955)
Yesterday 68 °F 49 °F
Yesterday's Heating Degree Days: 6
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
PM2.5
Yesterday Good
OZONE
Current Good
OZONE
Current Good
PM2.5
Friday Good
OZONE
Saturday Good
OZONE
Sunday Good
OZONE
Monday Good
OZONE
Tuesday Good
OZONE
Coastal Water Temperatures
Place Temperature
San Francisco, CA 53.1 °F
Port Chicago, CA 63.0 °F
Marine Forecast
Astronomy
May. 25, 2012 Rise Set
Actual Time 5:51 AM PDT 8:20 PM PDT
Civil Twilight 5:21 AM PDT 8:50 PM PDT
Nautical Twilight 4:43 AM PDT 9:28 PM PDT
Astronomical Twilight 4:02 AM PDT 10:10 PM PDT
Moon 9:55 AM PDT No Moon Set
Length Of Visible Light 15h 29m
Length of Day
14h 29m
Tomorrow will be 1m 17s longer.
Waxing Crescent, 18% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Today's Extremes
State Highs State Lows
82 °F
Needles
75 °F
Blythe
72 °F
Palm Springs
72 °F
Thermal
71 °F
Twentynine Palms
32 °F
Truckee-Tahoe
35 °F
Weaverville
35 °F
Blue Canyon
36 °F
Mount Shasta
37 °F
Alturas
Record Extremes
Snow Depth
Station Depth Elevation
Blue Lakes 1 in 8000 ft
Forestdale Creek 1 in 8029 ft
Rubicon #2 1 in 7500 ft
Ebbetts Pass 0 in 8700 ft
Ward Creek #3 0 in 6750 ft
Snow Depth Reports — Snow Depth Map
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
Loudon Wainwright III 8:00 PM PDT 2012-05-25 Thunderstorm, 59°F
Cris Cab plus Radical Something 9:00 PM PDT 2012-05-25 Thunderstorm, 58°F
Oakland Athletics vs. New York Yankees 3:00 AM PDT 2012-05-25 Clear, 52°F
The Avengers, Toys That Kill, and Terry Malts 9:00 PM PDT 2012-05-25 Thunderstorm, 58°F
Jazz Mafia 9:00 PM PDT 2012-05-25 Thunderstorm, 58°F
Expect the unexpected with Psychic Medium Bill Phiilipps 8:00 PM PDT 2012-05-25 Thunderstorm, 59°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Oakland 51 °F Partly Cloudy 2:53 AM PDT
Hayward 51 °F Clear 2:54 AM PDT
San Francisco 50 °F Scattered Clouds 2:56 AM PDT
Concord 51 °F Clear 2:53 AM PDT
View all Aviation Tools
Flight To ETA Status
UPS942
Louisville, KY 		KOAK 03:55AM On Time
FDX1167
Fort Worth, TX 		KOAK 04:38AM On Time
FDX1419
Memphis, TN 		KOAK 05:02AM On Time
UPS946
Louisville, KY 		KOAK 05:13AM On Time
UAL706
Kahului, HI 		KSFO 04:28AM On Time
UAL396
Honolulu, HI 		KSFO 05:17AM On Time
FDX1545
Memphis, TN 		KSFO 05:43AM On Time
ABX805
Covington, KY 		KSFO 06:44AM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KOAK)
Wind Speed: 22.0 kts.
Wind Dir: 280° (West)
Ceiling: Unlimited

METAR KOAK 250953Z 28022KT 10SM FEW015 11/06 A2974 RMK AO2 PK WND 28027/0854 SLP071 T01060061 $

View all Reports & Maps
Sports
Event Date Forecast
Royals vs. Orioles 7:05 PM EDT on May 25, 2012 Partly Cloudy, 81 °F
Cubs vs. Pirates 7:05 PM EDT on May 25, 2012 Chance of a Thunderstorm, 81 °F
Yankees vs. Athletics 7:05 PM PDT on May 25, 2012 Thunderstorm, 56 °F
Yankees vs. Athletics 1:05 PM PDT on May 26, 2012 Partly Cloudy, 61 °F
Event Date Forecast
Athletic vs. Barcelona 12:00 PM CEST on May 25, 2012 Scattered Clouds, High 86° F/ 30° C
Barcelona vs. Athletic 10:00 PM CEST on May 25, 2012 Scattered Clouds, High 86° F/ 30° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Chance of a Thunderstorm, 85 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 25, 2012 Overcast, 74 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 26, 2012 Mostly Cloudy, 72 °F
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
High St Bridge, Alameda, CA 50.3 °F - 42 °F 74% West  at  0.0 mph 0.00 in / hr 16 ft 3:55 AM PDT Normal  
Maxwell Park, Oakland, CA 49.8 °F 50 °F 39 °F 67% NNW  at  1.0 mph 0.00 in / hr 210 ft 3:43 AM PDT Normal
APRSWXNET Oakland CA , Oakland, CA 50 °F - 39 °F 67% NW  at  0 mph 0.00 in / hr 200 ft 3:29 AM PDT MADIS
Upper Laurel, Oakland, CA 51.4 °F - 27 °F 39% West  at  5.8 mph 0.00 in / hr 270 ft 3:56 AM PDT Normal
Encinal & Lafayette, Alameda, CA 51.2 °F - 42 °F 71% NW  at  11.0 mph 0.00 in / hr 15 ft 3:57 AM PDT Rapid Fire
Lake Merritt, Oakland, CA 51.9 °F - 41 °F 66% NE  at  0.0 mph 0.00 in / hr 23 ft 3:42 AM PDT Normal  
Downtown Oakland - Lake Merritt, Oakland, CA 51.8 °F - 41 °F 66% ESE  at  0.0 mph 0.00 in / hr 23 ft 3:52 AM PDT Normal  
Central Ave and Paru St, Alameda, CA 51.4 °F - 40 °F 65% WNW  at  7.4 mph 0.00 in / hr 30 ft 3:55 AM PDT Normal
Merritt Ave, Oakland, CA 54.5 °F - 41 °F 60% West  at  5.6 mph 0.00 in / hr 66 ft 3:56 AM PDT Rapid Fire  
Eastmont Hills, Oakland, CA 49.2 °F 49 °F 41 °F 73% NW  at  2.0 mph 0.00 in / hr 423 ft 3:56 AM PDT Normal
Eastmont Hills II, Oakland, CA 48.2 °F 48 °F 40 °F 74% West  at  2.0 mph 0.00 in / hr 427 ft 3:53 AM PDT Normal
Hilltop, Oakland, CA 47.1 °F 41 °F 41 °F 78% ESE  at  13.0 mph 0.00 in / hr 646 ft 3:56 AM PDT Rapid Fire  
Indian Wy, Montclair, Oakland Hills, Oakland, CA 45.8 °F 46 °F 39 °F 78% SE  at  2.0 mph 0.00 in / hr 973 ft 3:57 AM PDT Rapid Fire  
Ferry Point, Alameda, CA 52.2 °F - 42 °F 69% WSW  at  6.0 mph 0.00 in / hr 9 ft 3:56 AM PDT Normal
APRSWXNET Alameda CA , Oakland, CA 51 °F - 43 °F 73% West  at  0 mph 0.00 in / hr 49 ft 3:33 AM PDT MADIS
Thornhill Canyon, Oakland, CA 43.6 °F 44 °F 39 °F 84% ENE  at  0.0 mph 0.00 in / hr 950 ft 3:56 AM PDT Rapid Fire  
Davis Instruments, Hayward, CA 50.2 °F - 44 °F 79% North  at  0.0 mph 0.00 in / hr 35 ft 3:56 AM PDT Normal
Grand View Dr., Oakland, Berkeley, CA 47.0 °F 44 °F 42 °F 81% WSW  at  7.0 mph 0.00 in / hr 775 ft 3:55 AM PDT Normal  
Elmwood, near Claremont Hotel, Berkeley, CA 49.1 °F 47 °F 42 °F 77% NW  at  6.0 mph 0.00 in / hr 337 ft 3:50 AM PDT Normal  
Claremont Hills, Oakland, CA 45.2 °F 45 °F 40 °F 83% WNW  at  1.0 mph 0.00 in / hr 1040 ft 3:51 AM PDT Normal
Camino Pablo, Moraga, CA 47.8 °F 46 °F 41 °F 77% WNW  at  4.0 mph 0.00 in / hr 502 ft 3:56 AM PDT Rapid Fire  
Hills near Del Rey, Orinda, CA 48.5 °F 48 °F 41 °F 75% ESE  at  0.0 mph 0.00 in / hr 725 ft 3:57 AM PDT Rapid Fire  
APRSWXNET Orinda CA , Moraga, CA 49 °F 49 °F 41 °F 74% NW  at  1 mph 0.00 in / hr 738 ft 3:25 AM PDT MADIS
Orinda, CA 46.5 °F 44 °F 39 °F 75% NNW  at  5.0 mph 0.00 in / hr 705 ft 3:55 AM PDT Normal  
Glorietta Area, Orinda, CA 46.1 °F 46 °F 37 °F 71% NW  at  2.0 mph 0.00 in / hr 820 ft 3:55 AM PDT Normal  
Berkeley, Berkeley, CA 49.5 °F 46 °F 38 °F 65% NW  at  7.6 mph 0.00 in / hr 183 ft 3:46 AM PDT Normal
North Berkeley, Berkeley, CA 51.3 °F - 37 °F 58% North  at  - - / hr 0 ft 3:52 AM PDT Normal  
MesoWest Chabot , Castro Valley, CA 50 °F 47 °F - - WSW  at  8 mph 0.00 in / hr 170 ft 12:00 AM PDT MADIS
Country Club, Orinda, CA 49.5 °F 43 °F - - NW  at  21.7 mph - / hr 700 ft 3:55 AM PDT Normal
Woodland Hill, Lafayette, CA 47.4 °F 47 °F 40 °F 76% West  at  2.0 mph 0.00 in / hr 212 ft 3:53 AM PDT Normal  
Northwest of Eden Hospital, Castro Valley, CA 48.8 °F 49 °F 41 °F 74% SW  at  2.3 mph 0.00 in / hr 180 ft 3:57 AM PDT Rapid Fire  
RAWS OAKLAND SOUTH CA, Oakland, CA 45 °F 41 °F 42 °F 90% WSW  at  7 mph 0.00 in / hr 1095 ft 3:33 AM PDT MADIS
Hillcrest Estates, Oakland, CA 44.1 °F 44 °F 39 °F 82% South  at  0.0 mph 0.00 in / hr 1150 ft 3:56 AM PDT Rapid Fire  
PacWestRoofing.com, Oakland, CA 44.4 °F 40 °F 40 °F 83% SW  at  9.0 mph 0.00 in / hr 1171 ft 3:57 AM PDT Rapid Fire
Montclair- corner of Skyline and Snake, Oakland, CA 44.3 °F 39 °F 40 °F 86% West  at  10.0 mph 0.00 in / hr 1250 ft 3:56 AM PDT Rapid Fire  
Joaquin Miller Park / Skyline Blvd., Oakland, CA 42.0 °F 38 °F 39 °F 90% West  at  7.0 mph 0.00 in / hr 1584 ft 3:55 AM PDT Normal
RAWS OAKLAND NORTH CA, Berkeley, CA 43 °F 43 °F 40 °F 90% SW  at  0 mph 0.00 in / hr 1402 ft 3:33 AM PDT MADIS
MAP SIBLEY VOLCANO (P224), CA , Berkeley, CA 43 °F 40 °F 39 °F 84% WSW  at  5 mph 0.00 in / hr 1440 ft 3:00 AM PDT MADIS
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Special Statement
Mobile & Email Alerts Statement as of 10:01 PM PDT on May 24, 2012

... Much cooler with a chance of showers and isolated thunderstorms Friday...

An unseasonably cold weather system will rapidly approach the Bay
area overnight... arriving by Friday morning. Rain showers
currently associated with this system are being reported in
southern Oregon with radars west of Cape Mendocino starting to
pick up returns. The main impact of the system will be cool
temperatures and a continuation of the breezy to locally windy
weather we've been having the last few days.

Skies will start out sunny but with cold morning temperatures in
the upper 30s and 40s for many portions of the Bay area. By
mid-morning the core of the system will pass overhead with very
unstable air aloft. This will allow for cumulus cloud development
over the hills of the Bay area. Rain showers will be possible
through the afternoon hours... especially over the hills but its
possible that any showers could drift over the valleys. Anybody
with outdoor interests such as camping our hiking on Friday should
be prepared for unseasonably cool... possibly wet and windy weather.

Finally... the latest computer model projections have been
consistent in showing an above average chance of thunderstorms
over the far eastern portions of our district... roughly running
southward form the hills of Napa County through the far East Bay
valleys and continuing southward over the higher and mostly
unpopulated areas of Santa Clara and San Benito counties. These
far eastern counties of the Bay area will have the best chance for
seeing thunderstorms roughly from 2 PM to 7 PM Friday afternoon
and evening. Freezing levels will drop to around 6000 feet so ice
pellets and small hail will be possible in some of the heavier
cells along with dangerous cloud to ground lightning.

Any hail that falls on roads can quickly lead to traffic
accidents... especially on the get away Friday of a three day
Holiday weekend. The National Weather Service and California
Highway patrol urge motorists to slow down and stay abreast of the
latest forecast information before heading out this Holiday
weekend. As a reminder... folks heading to the Sierra should expect
winter weather conditions Friday night into Saturday with snow
over the trans-Sierra passes. There are currently snow advisories
in effect for that West Slope of the Sierra until 6 PM Friday.

Http://weather.Gov/sanfrancisco


R walbrun