St Helena Weather Forecast

    • 49
    • 57

    Rain

    • 36
    • 55

    Rain

    • 40
    • 55

    Rain

    • 41
    • 55

    Rain

    • 34
    • 54

    Chance Rain

    • 34
    • 57

    Sunny

Today 3 Feb North Bay Interior Valleys

Breezy, rain. Highs in the mid 50s to lower 60s. South Winds 20 to 30 Mph. Gusts up to 45 Mph in the afternoon.

Tonight 3 Feb North Bay Interior Valleys

Breezy, rain. Lows in the mid 40s to lower 50s. Southwest Winds 20 to 30 Mph. Gusts up to 45 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Helena Temperature Statistics

February Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 1 February, 2025

    50 °F

  • Average February

    53.2 °F

  • Highest 1 February, 2025

    57.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (18 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    69.6 °F
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