10-Day Weather Forecast - Saint Helena, CA

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  • 73|54°F
    Sunny

    Today

    73°F

    Sunny. Highs in the lower 60s to mid 70s. Southwest winds 10 to 20 mph.

    Tonight

    54°F

    Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 40s to upper 50s. Southwest winds 10 to 20 mph. . . Becoming west 5 to 10 mph after midnight.

    Hourly details
  • 79|53°F
    Mostly Cloudy

    Day

    79°F

    Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to lower 80s. West winds 5 to 10 mph. . . Becoming southwest 10 to 20 mph in the afternoon.

    Night

    53°F

    Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. Southwest winds 10 to 20 mph. . . Becoming 5 to 10 mph after midnight.

    Hourly details
  • 84|54°F
    Mostly Cloudy

    Day

    84°F

    Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower 70s to mid 80s. Southwest winds 5 to 15 mph.

    Night

    54°F

    Clear in the evening then becoming partly cloudy. Patchy fog. Lows in the upper 40s to mid 50s.

    Hourly details
  • 85|56°F
    Mostly Cloudy

    Day

    85°F

    Mostly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s.

    Night

    56°F

    Clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 50s.

    Hourly details
  • 87|55°F
    Mostly Cloudy

    Day

    87°F

    Mostly cloudy in the morning then becoming sunny. Highs in the 70s to 80s.

    Night

    55°F

    Mostly clear except patchy fog. Lows in the 50s.

    Hourly details
  • 90|56°F
    Mostly Cloudy

    Day

    90°F

    Mostly cloudy in the morning then becoming sunny. Highs in the mid 70s to upper 80s.

    Night

    56°F

    Mostly clear except patchy fog. Lows in the 50s.

    Hourly details
  • 88|55°F
    Partly Cloudy

    Day

    88°F

    Partly cloudy in the morning then becoming sunny. Highs in the 70s to 80s.

    Night

    55°F

    Clear. Low temperature around 55F. Dew point will be around 55F with an average humidity of 74%. Winds will be 2 mph from the SW.

  • 88|58°F
    Mostly Sunny

    Day

    88°F

    Mostly sunny. High temperature around 88F. Dew point will be around 57F with an average humidity of 54%. Winds will be 4 mph from the W.

    Night

    58°F

    Mostly clear. Low temperature around 58F. Dew point will be around 55F with an average humidity of 67%. Winds will be 5 mph from the NW.

  • 90|58°F
    Sunny

    Day

    90°F

    Sunny. High temperature around 90F. Dew point will be around 57F with an average humidity of 52%. Winds will be 6 mph from the W.

    Night

    58°F

    Clear. Low temperature around 58F. Dew point will be around 55F with an average humidity of 68%. Winds will be 6 mph from the NW.

  • 90|57°F
    Sunny

    Day

    90°F

    Sunny. High temperature around 90F. Dew point will be around 56F with an average humidity of 50%. Winds will be 5 mph from the W.

    Night

    57°F

    Clear. Low temperature around 57F. Dew point will be around 54F with an average humidity of 69%. Winds will be 4 mph from the NW.