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Saint Helena CA Weather

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NowCast ZoneCast Warnings/Advisories Hourly Track Special Radar
Saint Helena, California, United States (94574)  Lat: 38.51N, Lon: 122.47W
Wx Zone: CAZ506 ICAO Used: KSTS
Current Conditions
Updated: 8:53 PM PDT THU SEP 4 2008
Sun & Moon Information:
Fair
Fair
Temp: 74°F
Humidity: 27%
Wind Speed: S 6 MPH
Barometer: 29.76 in.
Dewpoint: 38°F
Heat Index: 74°F
Wind Chill: 74°F
Civil Twilight: 6:14 AM PDT Moon Phase:
Waxing Crescent Moon
Sunrise: 6:41 AM PDT
Sunset: 7:35 PM PDT
Civil Twilight: 8:02 PM PDT
Forecast for Saint Helena, California:
Dated: 750 PM PDT THU SEP 04 2008    Expires: 915 AM PDT FRI SEP 05 2008
7 Day View   
TONIGHT FRIDAY FRIDAY
NIGHT
SATURDAY SATURDAY
NIGHT
SUNDAY
Clear Sunny Clear Sunny Clear Sunny
Clear Sunny Clear Sunny Clear Sunny
Lo: 56°F Hi: 97°F
Lo: 56°F Hi: 97°F
Lo: 56°F Hi: 86°F
ZoneCast:
Dated: 750 PM PDT THU SEP 04 2008    Expires: 915 AM PDT FRI SEP 05 2008
RECORD HIGH TEMPERATURES POSSIBLE ON FRIDAY

Includes the Counties: North Bay Interior Valleys, East Bay Interior Valleys
Tonight...Clear. Lows in the 50s to lower 60s. West winds 10 to 15 mph Decreasing to around 5 mph after midnight.
Friday...Sunny. Highs mid 90s to 103. Southwest winds 5 to 10 mph.
Friday Night...Clear. Lows in the 50s to lower 60s. West winds 10 to 15 mph Decreasing to around 5 mph after midnight.
Saturday...Sunny. Highs 90s to 102. West winds 5 to 10 mph.
Saturday Night...Clear. Lows in the mid 50s to lower 60s. Southwest winds 5 to 15 mph.
Sunday...Sunny. Highs 80s to mid 90s.
Sunday Night...Clear. Lows in the upper 40s to upper 50s. Highs in the upper 70s to lower 90s.
Monday...Clear. Lows in the upper 40s to upper 50s. Highs in the upper 70s to lower 90s.
Tuesday...Clear in the morning then sunny. Highs in the mid 70s to upper 80s.
Tuesday Night...Clear in the evening then widespread low clouds. Lows in the 50s.
Wednesday...Areas of low clouds in the morning then sunny. Highs in the mid 70s to mid 80s.
Wednesday Night...Clear in the evening then widespread low clouds. Lows in the 50s.
Thursday...Areas of low clouds in the morning then sunny. Highs in the upper 70s and 80s.

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