Saint Helena, CA

5:19 PM PDT on August 21, 2014 (GMT -0700)
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Airport
Location: Santa Rosa,
Elevation: 125 ft
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Elev 125 ft 38.50 °N, 122.81 °W | Updated 26 minutes ago

Clear
Clear
82 °F
Feels Like 82 °F
N
9
Wind Variable Wind from South

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
6:29 AM 7:55 PM
Waning Crescent, 11% visible
Pressure 29.87 in
Visibility 10.0 miles
Clouds Clear
Heat Index 82 °F
Dew Point 59 °F
Humidity 45%
Rainfall 0.00 in
Snow Depth Not available.
UV 4 out of 12
Pollen 6.60 out of 12
Air Quality Not available.
Flu Activity Not available.
METAR KSTS 212353Z 17008KT 10SM CLR 28/15 A2989 RMK AO2 SLP114 T02780150 10283 20172 56015

More Conditions Fewer Conditions

Pressure 29.87 in
Visibility 10.0 miles
Clouds Clear
Heat Index 82 °F
Dew Point 59 °F
Humidity 45%
Rainfall 0.00 in
Snow Depth Not available.
UV 4 out of 12
Pollen 6.60 out of 12
Air Quality Not available.
Flu Activity Not available.
METAR KSTS 212353Z 17008KT 10SM CLR 28/15 A2989 RMK AO2 SLP114 T02780150 10283 20172 56015

More Conditions Fewer Conditions

10-Day Weather Forecast

Almanac

Astronomy

Aug. 21, 2014 Rise Set
Actual Time 6:29 AM PDT 7:55 PM PDT
Civil Twilight 6:01 AM PDT 8:23 PM PDT
Nautical Twilight 5:28 AM PDT 8:56 PM PDT
Astronomical Twilight 4:52 AM PDT 9:31 PM PDT
Moon 3:05 AM PDT (8/21) 5:27 PM PDT (8/21)
Length of Visible Light 14h 21m
Length of Day
13h 26m
Tomorrow will be 2m 17s shorter.
Waning Crescent, 11% of the Moon is Illuminated
Today
Waning Crescent
Aug 25
New
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter

Today's Extremes

State Highs State Lows

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Air Quality

  Air Quality AQ Index Pollutant
Thursday Good
PM2.5
Friday Good
PM2.5
Saturday Good
PM2.5
Sunday Moderate
PM2.5
Monday Moderate
PM2.5
Tuesday Moderate
PM2.5

Snow Depth

Station Depth Elevation
CSS Lab 0 in 6900 ft
Leavitt Meadows 0 in 7200 ft
Adin Mountain 0 in 6200 ft

Earthquake Activity

City Distance Mag. Time & Date
Berkeley, California 45 miles 2.6 7:41 PM PDT
2014-08-16
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature
San Francisco, CA 64.9 °F
Richmond, CA 66.0 °F
Port Chicago, CA 70.0 °F

Nearby Weather Stations