Saint Helena, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Mostly Cloudy
    77°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Monday 5/13
    Day
    77°
    Mostly Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s. Southwest winds 5 to 15 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 40s to upper 50s. Southwest winds 5 to 15 mph.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    80°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Tuesday 5/14
    Day
    80°
    Mostly Cloudy
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 80s. Southwest winds 5 to 15 mph.
    Night Details
    Clear in the evening then becoming partly cloudy. Lows in the 40s to upper 50s. Southwest winds 10 to 20 mph.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    85°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Wednesday 5/15
    Day
    85°
    Mostly Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s. Southwest winds 5 to 15 mph.
    Night Details
    Clear in the evening then becoming partly cloudy. Lows in the 50s.
  • Forecast day icon
    Thursday
    Partly Cloudy
    81°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Thursday 5/16
    Day
    81°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s.
    Night Details
    Partly cloudy. Lows in the 50s. Highs in the upper 60s to lower 80s.
  • Forecast day icon
    Friday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Friday 5/17
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the 50s. Highs in the upper 60s to lower 80s.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s.
  • Forecast day icon
    Saturday
    Partly Cloudy
    79°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Saturday 5/18
    Day
    79°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid 60s to lower 80s. Lows in the upper 40s to mid 50s.
    Night Details
    Partly cloudy. Highs in the mid 60s to lower 80s. Lows in the upper 40s to mid 50s.
  • Forecast day icon
    Sunday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Sunday 5/19
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. Highs in the mid 60s to lower 80s. Lows in the upper 40s to mid 50s.
    Night Details
    Partly cloudy. Low temperature around 49F. Dew point will be around 49F with an average humidity of 78%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Monday
    Mostly Sunny
    78°
    Forecast night icon
    Night
    Clear
    49°
    Monday 5/20
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 78F. Dew point will be around 52F with an average humidity of 63%. Winds will be 7 mph from the W.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 51F with an average humidity of 77%. Winds will be 7 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    80°
    Forecast night icon
    Night
    Clear
    49°
    Tuesday 5/21
    Day
    80°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 80F. Dew point will be around 50F with an average humidity of 55%. Winds will be 8 mph from the W.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 48F with an average humidity of 70%. Winds will be 9 mph from the NW.
  • Forecast day icon
    Wednesday
    Sunny
    81°
    Forecast night icon
    Night
    Clear
    49°
    Wednesday 5/22
    Day
    81°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 81F. Dew point will be around 48F with an average humidity of 49%. Winds will be 9 mph from the W.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 48F with an average humidity of 70%. Winds will be 10 mph from the NW.