Saint Helena, CA

12:24 AM PDT on August 02, 2014 (GMT -0700)
Spring Mountain Viticultural District (KCASAINT5) Elev 2001 ft | 38.53 °N, 122.56 °W | Change Station

Current weather conditions updated 2 minutes ago

Overcast
Overcast
70.3 °F
Feels Like 76 °F
N
0.0
Wind Variable Wind from NNW

Today is forecast to be Much Cooler than yesterday.

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
6:13 AM 8:19 PM
Waxing Crescent, 33% visible
Pressure 29.87 in
Visibility 9.0 miles
Clouds Overcast 400 ft
Heat Index 76 °F
Dew Point 40 °F
Humidity 33%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 4.30 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KSTS 020653Z AUTO 16004KT 9SM OVC004 13/12 A2989 RMK AO2 SLP114 T01330122

More Conditions Fewer Conditions

Pressure 29.87 in
Visibility 9.0 miles
Clouds Overcast 400 ft
Heat Index 76 °F
Dew Point 40 °F
Humidity 33%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 4.30 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KSTS 020653Z AUTO 16004KT 9SM OVC004 13/12 A2989 RMK AO2 SLP114 T01330122

More Conditions Fewer Conditions

10-Day Weather Forecast

Almanac

Astronomy

Aug. 02, 2014 Rise Set
Actual Time 6:13 AM PDT 8:19 PM PDT
Civil Twilight 5:43 AM PDT 8:48 PM PDT
Nautical Twilight 5:07 AM PDT 9:24 PM PDT
Astronomical Twilight 4:28 AM PDT 10:03 PM PDT
Moon 12:34 PM PDT 11:46 PM PDT
Length of Visible Light 15h 04m
Length of Day
14h 06m
Tomorrow will be 1m 55s shorter.
Waxing Crescent, 33% of the Moon is Illuminated
Today
Waxing Crescent
Aug 3
First Quarter
Aug 10
Full
Aug 17
Last Quarter
Aug 25
New

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Nearby

Air Quality

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

Snow Depth

Station Depth Elevation
Echo Peak 0 in 7800 ft
Fallen Leaf 0 in 6300 ft
Monitor Pass 0 in 8350 ft
Leavitt Meadows 0 in 7200 ft
Summit Meadow 0 in 9122 ft

Earthquake Activity

City Distance Mag. Time & Date
The Geysers, California 23 miles 2.5 7:46 AM PDT
2014-07-26
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature
Point Reyes, CA 63.0 °F
Arena Cove, CA 53.1 °F
San Francisco, CA 64.9 °F
Richmond, CA 66.9 °F

Nearby Weather Stations

Station Location Temp. Heat Index Dew Point Humidity Wind Precip. Elev Updated Type
ST. HELENA, Napa County, CA 73.0 °F - - - North  at  - - / hr 1614 ft 11:33 PM PDT Normal
Spring Mountain Viticultural District, Saint Helena, CA 70.3 °F 76 °F 40 °F 33% NNW  at  0.0 mph - / hr 2001 ft 12:21 AM PDT Normal
Mixed vineyard and homes, Saint Helena, CA 65.4 °F - 57 °F 74% SSE  at  0.0 mph - / hr 263 ft 12:12 AM PDT Normal
Downtown Saint Helena, Saint Helena, CA 65.5 °F - 56 °F 71% SW  at  0.0 mph 0.00 in / hr 248 ft 12:24 AM PDT Rapid Fire
Sharp Rd Ranch, Calistoga, CA 61.5 °F - 50 °F 68% ENE  at  0.0 mph 0.00 in / hr 1112 ft 12:24 AM PDT Rapid Fire
Yerba Buena Road, Santa Rosa, CA 57.9 °F - 53 °F 85% NW  at  0.0 mph 0.00 in / hr 466 ft 12:19 AM PDT Normal
Los Alamos Rd, Santa Rosa, CA 55.4 °F - 53 °F 91% NW  at  1.0 mph 0.00 in / hr 420 ft 12:20 AM PDT Normal
Calistoga, Calistoga, CA 65.9 °F - 57 °F 73% ESE  at  0.0 mph 0.00 in / hr 367 ft 12:23 AM PDT Rapid Fire
Kenwood, Santa Rosa, CA 56.0 °F - 53 °F 90% NW  at  0.0 mph - / hr 415 ft 12:21 AM PDT Normal
Mt. Jacqueline, Santa Rosa, CA 57.0 °F - 54 °F 89% South  at  0.0 mph - / hr 591 ft 12:14 AM PDT Normal
Kenwood Fire, Kenwood, CA 57.0 °F - 53 °F 86% NW  at  2.0 mph 0.00 in / hr 415 ft 12:23 AM PDT Normal
Rincon Valley, Santa Rosa, CA 56.7 °F - 54 °F 90% ENE  at  0.9 mph 0.00 in / hr 292 ft 12:23 AM PDT Rapid Fire
El Rancho Near Ananndale State Park, Kenwood, CA 55.9 °F - 52 °F 88% WNW  at  0.0 mph 0.00 in / hr 636 ft 12:23 AM PDT Rapid Fire
Calistoga, Calistoga, CA 61.0 °F - 53 °F 75% NE  at  0.0 mph - / hr 925 ft 12:21 AM PDT Normal
Calistoga at Mountain Home Ranch Rd, Calistoga, CA 59.5 °F - 52 °F 77% SSW  at  0.0 mph 0.00 in / hr 915 ft 12:18 AM PDT Normal
Annadel Heights, Santa Rosa, CA 59.4 °F - 50 °F 70% SSE  at  0.0 mph 0.00 in / hr 340 ft 12:23 AM PDT Rapid Fire
Fountaingrove, Santa Rosa, CA 54.8 °F - 53 °F 95% South  at  0.0 mph 0.00 in / hr 748 ft 12:15 AM PDT Normal
Bennett Valley - Woodside, Santa Rosa, CA 54.3 °F - 54 °F 97% South  at  2.0 mph 0.00 in / hr 614 ft 12:23 AM PDT Rapid Fire
Montgomery Village, Santa Rosa, CA 56.9 °F - 54 °F 90% WSW  at  1.4 mph 0.00 in / hr 196 ft 12:24 AM PDT Rapid Fire
Proctor Terrace, Santa Rosa, CA 56.8 °F - 53 °F 86% North  at  0.0 mph 0.00 in / hr 197 ft 12:23 AM PDT Normal
SANTA ROSA (CDF), Santa Rosa, CA 55.0 °F - 54 °F 96% ENE  at  6.0 mph - / hr 583 ft 11:34 PM PDT Normal
Mark West Springs, Santa Rosa, CA 54.6 °F - 51 °F 89% North  at  0.0 mph 0.00 in / hr 664 ft 12:15 AM PDT Normal
Murdock Terrace, Santa Rosa, CA 56.5 °F - 54 °F 91% SW  at  6.3 mph - / hr 184 ft 12:16 AM PDT Normal
Ragle Ranch, Santa Rosa, CA 55.7 °F - 55 °F 96% SW  at  3.0 mph 0.00 in / hr 204 ft 12:12 AM PDT Normal
Crane Canyon, Santa Rosa, CA 54.3 °F - 54 °F 97% NW  at  0.0 mph 0.00 in / hr 518 ft 12:24 AM PDT Rapid Fire
Larkfield, Larkfield-Wikiup, CA 57.2 °F - 55 °F 91% SE  at  3.1 mph 0.00 in / hr 171 ft 12:24 AM PDT Rapid Fire
Hop Ranch, Santa Rosa, CA 57.1 °F - 55 °F 92% WNW  at  0.0 mph 0.00 in / hr 164 ft 12:24 AM PDT Normal
Santa Rosa, Santa Rosa, CA 56.2 °F - 54 °F 92% SSE  at  0.0 mph 0.00 in / hr 130 ft 12:24 AM PDT Rapid Fire
SnomaHoma Santa Rosa, Santa Rosa, CA 59.4 °F - 52 °F 78% SSE  at  0.0 mph 0.00 in / hr 134 ft 12:23 AM PDT Normal
Bellevue Ranch, Santa Rosa, CA 56.7 °F - 54 °F 90% South  at  2.0 mph 0.00 in / hr 112 ft 12:24 AM PDT Rapid Fire
Sierra Meadows, Santa Rosa, CA 56.7 °F - 55 °F 94% WSW  at  2.2 mph - / hr 105 ft 12:08 AM PDT Normal
Santa Rosa Corporate Center, Santa Rosa, CA 56.4 °F - 54 °F 93% South  at  7.0 mph 0.00 in / hr 122 ft 12:20 AM PDT Normal

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