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Weather in Saint Helena, California, USA

Now
55 °F

Fog.


Feels Like: 55 °F
Forecast: 76 / 51 °F
Wind: No wind

Location: Santa Rosa Sonoma County Airport
Current Time: Jul 15, 2025 at 8:24:19 am
Latest Report: Jul 15, 2025 at 7:53 am
Visibility: 2 mi
Pressure: 29.89 "Hg
Humidity: 96%
Dew Point: 54 °F
Location of Saint HelenaLocation

Upcoming 5 hours

Now9:00 am10:00 am11:00 am12:00 pm1:00 pm
55 °F57 °F60 °F64 °F69 °F73 °F

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Forecast for the next 48 hours

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 TuesdayWednesday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature57 °F75 °F58 °F55 °F57 °F72 °F57 °F
Broken clouds.Sunny.Mostly clear.Overcast.Overcast.Sunny.Scatt­erred clouds.
Feels Like57 °F78 °F58 °F55 °F57 °F77 °F57 °F
Wind Speed3 mph10 mph5 mph3 mph4 mph10 mph4 mph
Wind DirectionSSW
SW
SW
SSW
SSW
SW
SSW
Humidity87%51%83%91%84%54%85%
Dew Point53 °F56 °F53 °F52 °F52 °F54 °F53 °F
Visibility6 mi9 mi6 mi6 mi9 mi9 mi6 mi
Probability of Precipitation4%0%0%0%0%0%0%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Tuesday, July 15, 2025 6:42:27 am Saint Helena time - Weather by CustomWeather, © 2025

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Sunny. 81 / 52 °F
Humidity: 80%. Wind: 5 mph from South

More weather last week

Currently at nearby stations

57 °F

Napa County Airport: (23 mi)

Low clouds.

65 °F

Nut Tree Airport: (29 mi)

Sunny.

59 °F

Fairfield / Travis Air Force Base: (34 mi)

Sunny.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
13
14

View historic weather

30
31
1
2

Detailed forecast for 14 days