Saint Helena, California
Current Conditions -  °F | °C
As of 9:53 AM on Thursday 24 Apr 2014 (Local Time) from KSTS Reporting Station
Broken Clouds Broken Clouds  
Wind Chill: 61°   Ceiling: 25000
Heat Index: 61°   Visibility: 10mi
Dew Point: 49°   Wind: 5mph
Humidity: 64%   Direction: 310°NW
Pressure: 30.09"   Gusts: NA
Location:  38.51°N, 122.47°W
Report Text: KSTS 241653Z 31004KT 10SM SCT037 BKN250 16/09 A3009 RMK AO2 SLP183 T01610094
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Personal Weather Stations






























Hourly Forecast -  °F | °C
Hi 71° - Lo 48°
11 AM
P Cloudy
P Cloudy
62°
12 PM
P Cloudy
P Cloudy
65°
1 PM
M Cloudy
M Cloudy
67°
2 PM
M Cloudy
M Cloudy
68°
3 PM
M Cloudy
M Cloudy
69°
4 PM
Cloudy
Cloudy
68°
Weather Maps
Daily Forecast -  °F | °C
thu fri sat sun mon tue wed thu fri sat
apr
24
M Cloudy
M Cloudy
71°
48°
apr
25
Rain
Rain
60°
39°
apr
26
M Sunny
M Sunny
68°
46°
apr
27
M Cloudy
M Cloudy
71°
46°
apr
28
Sunny
Sunny
81°
51°
apr
29
Sunny
Sunny
91°
54°
apr
30
M Sunny
M Sunny
92°
55°
may
01
M Sunny
M Sunny
88°
53°
may
02
P Cloudy
P Cloudy
80°
50°
may
03
AM Clouds
AM Clouds
76°
50°
Details for Thursday, April 24
A mix of clouds and sun during the morning will give way to cloudy skies this afternoon. High 71F. Winds WSW at 15 to 25 mph.
Evening: Considerable cloudiness with occasional rain showers. Low 48F. Winds SW at 10 to 15 mph. Chance of rain 50%.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 66%
Cloud Coverage
Sunrise: 6:21 AM
Sunset: 7:55 PM
 
Moonrise: 3:32 AM
Moonset: 3:20 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (255°)
Speed: 17Mph(28Km, 15Kts)
Details for Friday, April 25
A steady rain in the morning. Showers continuing in the afternoon. Thunder possible. High near 60F. Winds W at 10 to 20 mph. Chance of rain 70%. Rainfall near a quarter of an inch.
Evening: A few showers in the evening, then clear overnight. Low 39F. Winds WNW at 10 to 15 mph. Chance of rain 30%.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 70%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 67%
Cloud Coverage
Sunrise: 6:20 AM
Sunset: 7:56 PM
 
Moonrise: 4:09 AM
Moonset: 4:27 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  W
Direction: W (261°)
Speed: 15Mph(24Km, 13Kts)
Details for Saturday, April 26
Plenty of sun. Highs in the upper 60s and lows in the mid 40s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
Cloud Coverage
Sunrise: 6:19 AM
Sunset: 7:57 PM
 
Moonrise: 4:44 AM
Moonset: 5:34 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (285°)
Speed: 17Mph(28Km, 15Kts)
Details for Sunday, April 27
More clouds than sun. Highs in the low 70s and lows in the mid 40s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 61%
Cloud Coverage
Sunrise: 6:18 AM
Sunset: 7:58 PM
 
Moonrise: 5:20 AM
Moonset: 6:39 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (245°)
Speed: 11Mph(18Km, 9Kts)
Details for Monday, April 28
Sunshine. Highs in the low 80s and lows in the low 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 50%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 3%
Cloud Coverage
Sunrise: 6:16 AM
Sunset: 7:59 PM
 
Moonrise: 5:58 AM
Moonset: 7:43 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (295°)
Speed: 8Mph(13Km, 7Kts)
Details for Tuesday, April 29
Sunny. Highs in the low 90s and lows in the mid 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 42%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 6%
Cloud Coverage
Sunrise: 6:15 AM
Sunset: 8:00 PM
 
Moonrise: 6:37 AM
Moonset: 8:45 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  N
Direction: N (5°)
Speed: 9Mph(15Km, 8Kts)
Details for Wednesday, April 30
Mostly sunny. Highs in the low 90s and lows in the mid 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 37%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 6:14 AM
Sunset: 8:01 PM
 
Moonrise: 7:20 AM
Moonset: 9:44 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  NE
Direction: NE (51°)
Speed: 9Mph(15Km, 8Kts)
Details for Thursday, May 01
Mostly sunny. Highs in the upper 80s and lows in the low 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 47%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
Cloud Coverage
Sunrise: 6:13 AM
Sunset: 8:02 PM
 
Moonrise: 8:05 AM
Moonset: 10:39 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  N
Direction: N (349°)
Speed: 10Mph(16Km, 9Kts)
Details for Friday, May 02
Partly cloudy. Highs in the low 80s and lows in the low 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 26%
Cloud Coverage
Sunrise: 6:11 AM
Sunset: 8:03 PM
 
Moonrise: 8:54 AM
Moonset: 11:28 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (264°)
Speed: 12Mph(20Km, 10Kts)
Details for Saturday, May 03
Clouds giving way to sun . Highs in the mid 70s and lows in the low 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 6:10 AM
Sunset: 8:04 PM
 
Moonrise: 9:45 AM
Moonset: 12:01 AM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (274°)
Speed: 12Mph(20Km, 10Kts)
Daily Forecast Chart
Chart.
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