Saint Helena, California
Current Conditions -  °F | °C
As of 10:53 AM on Friday 19 Sep 2014 (Local Time) from KSTS Reporting Station
Overcast Overcast  
Wind Chill: 62°   Ceiling: 400
Heat Index: 62°   Visibility: 10mi
Dew Point: 60°   Wind: 0mph
Humidity: 93%   Direction: NA
Pressure: 29.91"   Gusts: NA
Location:  38.51°N, 122.47°W
Report Text: KSTS 191753Z 00000KT 10SM OVC004 17/16 A2991 RMK AO2 SLP121 T01670156 10167 20144 58000
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 88° - Lo 56°
12 PM
Sunny
Sunny
79°
1 PM
Sunny
Sunny
83°
2 PM
Sunny
Sunny
85°
3 PM
Sunny
Sunny
86°
4 PM
Sunny
Sunny
86°
5 PM
Sunny
Sunny
85°
Weather Maps
Daily Forecast -  °F | °C
fri sat sun mon tue wed thu fri sat sun
sep
19
Sunny
Sunny
88°
56°
sep
20
Sunny
Sunny
87°
56°
sep
21
Sunny
Sunny
85°
55°
sep
22
Sunny
Sunny
88°
54°
sep
23
Sunny
Sunny
85°
58°
sep
24
Showers
Showers
76°
55°
sep
25
P Cloudy
P Cloudy
77°
53°
sep
26
M Sunny
M Sunny
78°
54°
sep
27
M Sunny
M Sunny
84°
57°
sep
28
Sunny
Sunny
87°
58°
Details for Friday, September 19
Abundant sunshine. High 88F. Winds W at 10 to 15 mph.
Evening: Clear skies. Low 56F. Winds WSW at 5 to 10 mph.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 47%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 6:55 AM
Sunset: 7:11 PM
 
Moonrise: 2:47 AM
Moonset: 4:41 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  W
Direction: W (268°)
Speed: 12Mph(20Km, 14Kts)
Details for Saturday, September 20
A mainly sunny sky. High 87F. Winds WSW at 10 to 15 mph.
Evening: A mostly clear sky. Low 56F. Winds WSW at 5 to 10 mph.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 4%
Cloud Coverage
Sunrise: 6:56 AM
Sunset: 7:09 PM
 
Moonrise: 3:42 AM
Moonset: 5:14 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (239°)
Speed: 11Mph(18Km, 13Kts)
Details for Sunday, September 21
Mainly sunny. Highs in the mid 80s and lows in the mid 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 7%
Cloud Coverage
Sunrise: 6:56 AM
Sunset: 7:08 PM
 
Moonrise: 4:37 AM
Moonset: 5:46 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (249°)
Speed: 11Mph(18Km, 13Kts)
Details for Monday, September 22
Sunny. Highs in the upper 80s and lows in the mid 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 6%
Cloud Coverage
Sunrise: 6:57 AM
Sunset: 7:06 PM
 
Moonrise: 5:32 AM
Moonset: 6:16 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (247°)
Speed: 10Mph(17Km, 12Kts)
Details for Tuesday, September 23
Mainly sunny. Highs in the mid 80s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 4%
Cloud Coverage
Sunrise: 6:58 AM
Sunset: 7:05 PM
 
Moonrise: 6:28 AM
Moonset: 6:47 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (243°)
Speed: 11Mph(18Km, 13Kts)
Details for Wednesday, September 24
Showers possible. Highs in the mid 70s and lows in the mid 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 87%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 62%
Cloud Coverage
Sunrise: 6:59 AM
Sunset: 7:03 PM
 
Moonrise: 7:24 AM
Moonset: 7:17 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SW
Direction: SW (219°)
Speed: 13Mph(21Km, 15Kts)
Details for Thursday, September 25
Mix of sun and clouds. Highs in the upper 70s and lows in the low 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 16%
Cloud Coverage
Sunrise: 7:00 AM
Sunset: 7:01 PM
 
Moonrise: 8:22 AM
Moonset: 7:50 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WSW
Direction: WSW (254°)
Speed: 14Mph(23Km, 16Kts)
Details for Friday, September 26
More sun than clouds. Highs in the upper 70s and lows in the mid 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
Cloud Coverage
Sunrise: 7:01 AM
Sunset: 7:00 PM
 
Moonrise: 9:20 AM
Moonset: 8:26 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (280°)
Speed: 14Mph(22Km, 16Kts)
Details for Saturday, September 27
More sun than clouds. Highs in the mid 80s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 49%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 13%
Cloud Coverage
Sunrise: 7:02 AM
Sunset: 6:58 PM
 
Moonrise: 10:20 AM
Moonset: 9:04 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (297°)
Speed: 14Mph(22Km, 16Kts)
Details for Sunday, September 28
Mainly sunny. Highs in the upper 80s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 40%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 1%
Cloud Coverage
Sunrise: 7:03 AM
Sunset: 6:57 PM
 
Moonrise: 11:19 AM
Moonset: 9:48 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  N
Direction: N (357°)
Speed: 9Mph(14Km, 10Kts)
Daily Forecast Chart
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