Saint Helena, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Sunny
    88°
    Forecast night icon
    Night
    Clear
    56°
    Friday 5/10
    Day
    88°
    Sunny
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s to lower 90s. West winds 10 to 20 mph.
    Night Details
    Clear. Lows in the upper 40s to lower 60s. West winds 10 to 20 mph. . . Becoming southwest 5 to 10 mph after midnight.
  • Forecast day icon
    Saturday
    Sunny
    91°
    Forecast night icon
    Night
    Mostly Clear
    57°
    Saturday 5/11
    Day
    91°
    Sunny
    Forecast day icon
    Night
    57°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s to upper 80s. Southwest winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the upper 40s to lower 60s. West winds 10 to 20 mph. . . Becoming southwest 5 to 10 mph after midnight.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    86°
    Forecast night icon
    Night
    Clear
    53°
    Sunday 5/12
    Day
    86°
    Mostly Cloudy
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming sunny. Highs in the 70s to 80s. Southwest winds 5 to 10 mph. . . Becoming west 10 to 20 mph in the afternoon.
    Night Details
    Clear. Lows in the mid 40s to upper 50s.
  • Forecast day icon
    Monday
    Mostly Cloudy
    83°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Monday 5/13
    Day
    83°
    Mostly Cloudy
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s.
    Night Details
    Mostly clear. Lows in the mid 40s to upper 50s. Highs in the upper 60s to mid 80s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    82°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Tuesday 5/14
    Day
    82°
    Mostly Sunny
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the mid 40s to upper 50s. Highs in the upper 60s to mid 80s.
    Night Details
    Mostly clear. Lows in the mid 40s to upper 50s. Highs in the upper 60s to mid 80s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    86°
    Forecast night icon
    Night
    Mostly Clear
    57°
    Wednesday 5/15
    Day
    86°
    Mostly Sunny
    Forecast day icon
    Night
    57°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the mid 40s to upper 50s. Highs in the upper 60s to mid 80s.
    Night Details
    Mostly clear. Lows in the mid 40s to upper 50s. Highs in the upper 60s to mid 80s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    81°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Thursday 5/16
    Day
    81°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly clear. Lows in the mid 40s to upper 50s. Highs in the upper 60s to mid 80s.
    Night Details
    Partly cloudy. Low temperature around 53F. Dew point will be around 53F with an average humidity of 82%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Friday
    Sunny
    80°
    Forecast night icon
    Night
    Clear
    53°
    Friday 5/17
    Day
    80°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 80F. Dew point will be around 55F with an average humidity of 63%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 55F with an average humidity of 81%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Saturday
    Sunny
    80°
    Forecast night icon
    Night
    Clear
    53°
    Saturday 5/18
    Day
    80°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 80F. Dew point will be around 54F with an average humidity of 60%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 54F with an average humidity of 78%. Winds will be 5 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    80°
    Forecast night icon
    Night
    Clear
    51°
    Sunday 5/19
    Day
    80°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 80F. Dew point will be around 54F with an average humidity of 61%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 54F with an average humidity of 81%. Winds will be 6 mph from the W.