Saint Helena, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    83°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Tuesday 5/14
    Day
    83°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to lower 80s. Southwest winds 5 to 15 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the 40s to upper 50s. Southwest winds 10 to 15 mph.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    85°
    Forecast night icon
    Night
    Mostly Cloudy
    51°
    Wednesday 5/15
    Day
    85°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    Mostly 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 mostly cloudy. Lows in the 40s to upper 50s. Southwest winds 10 to 20 mph.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    77°
    Forecast night icon
    Night
    Mostly Cloudy
    51°
    Thursday 5/16
    Day
    77°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    Mostly 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 mostly cloudy. Lows in the upper 40s to mid 50s.
  • Forecast day icon
    Friday
    Mostly Cloudy
    75°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Friday 5/17
    Day
    75°
    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 mid 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
    77°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Saturday 5/18
    Day
    77°
    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
    47°
    Sunday 5/19
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    47°
    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
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s.
  • Forecast day icon
    Monday
    Partly Cloudy
    78°
    Forecast night icon
    Night
    Clear
    48°
    Monday 5/20
    Day
    78°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to upper 70s.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 44F with an average humidity of 66%. Winds will be 8 mph from the SW.
  • Forecast day icon
    Tuesday
    Sunny
    78°
    Forecast night icon
    Night
    Clear
    49°
    Tuesday 5/21
    Day
    78°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 78F. Dew point will be around 47F with an average humidity of 52%. Winds will be 9 mph from the W.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 46F with an average humidity of 68%. Winds will be 9 mph from the W.
  • Forecast day icon
    Wednesday
    Sunny
    79°
    Forecast night icon
    Night
    Clear
    49°
    Wednesday 5/22
    Day
    79°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 79F. Dew point will be around 48F with an average humidity of 52%. Winds will be 9 mph from the W.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 47F with an average humidity of 68%. Winds will be 9 mph from the W.
  • Forecast day icon
    Thursday
    Sunny
    80°
    Forecast night icon
    Night
    Clear
    50°
    Thursday 5/23
    Day
    80°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 80F. Dew point will be around 48F with an average humidity of 51%. Winds will be 9 mph from the W.
    Night Details
    Clear. Low temperature around 50F. Dew point will be around 48F with an average humidity of 68%. Winds will be 9 mph from the W.