Redwood City, CA (94061)

11:27 AM PDT on September 18, 2014 (GMT -0700)
Central Portola Valley | Change Station
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Current Station
Personal Weather Station
Location: Portola Valley, CA
Elevation: 660 ft
Nearby Weather Stations

Elev 660 ft 37.39 °N, 122.21 °W | Updated 3 minutes ago

Overcast
Overcast
70.7 °F
Feels Like 74 °F
N
2.0
Wind Variable Wind from SE
Gusts 4.0 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
6:53 AM 7:11 PM
Waning Crescent, 25% visible
Pressure 29.87 in
Visibility 10.0 miles
Clouds Mostly Cloudy 2500 ft
Mostly Cloudy 4400 ft
Heat Index 74 °F
Dew Point 61 °F
Humidity 72%
Rainfall 0.05 in
Snow Depth 0 in , 0 in , 0 in
UV 3 out of 12
Pollen 5.10 out of 12
Ozone Good
PM2.5 Good
Flu Activity Not available.
METAR KSQL 181747Z 19010KT 10SM BKN025 BKN044 24/15 A2987

More Conditions Fewer Conditions

Pressure 29.87 in
Visibility 10.0 miles
Clouds Mostly Cloudy 2500 ft
Mostly Cloudy 4400 ft
Heat Index 74 °F
Dew Point 61 °F
Humidity 72%
Rainfall 0.05 in
Snow Depth 0 in , 0 in , 0 in
UV 3 out of 12
Pollen 5.10 out of 12
Ozone Good
PM2.5 Good
Flu Activity Not available.
METAR KSQL 181747Z 19010KT 10SM BKN025 BKN044 24/15 A2987

More Conditions Fewer Conditions

10-Day Weather Forecast

Almanac

Astronomy

Sep. 18, 2014 Rise Set
Actual Time 6:53 AM PDT 7:11 PM PDT
Civil Twilight 6:27 AM PDT 7:37 PM PDT
Nautical Twilight 5:56 AM PDT 8:08 PM PDT
Astronomical Twilight 5:25 AM PDT 8:39 PM PDT
Moon 1:55 AM PDT 4:02 PM PDT
Length of Visible Light 13h 10m
Length of Day
12h 18m
Tomorrow will be 2m 23s shorter.
Waning Crescent, 25% of the Moon is Illuminated
Today
Waning Crescent
Sep 24
New
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter

Today's Extremes

State Highs State Lows

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Air Quality

  Air Quality AQ Index Pollutant
Yesterday Good
PM2.5
Yesterday Good
OZONE
Current Good
OZONE
Current Good
PM2.5
Thursday Good
OZONE
Friday Good
OZONE
Saturday Good
PM2.5
Sunday Good
PM2.5
Monday Good
PM2.5

Snow Depth

Station Depth Elevation
Tahoe City Cross 0 in 6750 ft
Echo Peak 0 in 7800 ft
Summit Meadow 0 in 9122 ft
Spratt Creek 0 in 6200 ft
Leavitt Meadows 0 in 7200 ft

Earthquake Activity

City Distance Mag. Time & Date
The Geysers, California 97 miles 2.5 11:29 PM PDT
2014-09-17
Cobb, California 99 miles 2.7 1:23 PM PDT
2014-09-16
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature
No Stations Reporting

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