Calistoga Weather Forecast

    • 42
    • 61

    Mostly Sunny

    • 44
    • 63

    Mostly Sunny

    • 45
    • 64

    Partly Sunny

    • 44
    • 63

    Partly Sunny

    • 45
    • 64

    Partly Sunny

    • 47
    • 65

    Patchy Fog

    • 47
    • 67

    Patchy Fog

Today 4 Dec North Bay Interior Valleys

Sunny. Highs in the lower 50s to mid 60s. East Winds 10 to 15 Mph. Becoming south in the afternoon.

Tonight 4 Dec North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the 30s to upper 40s. West Winds 5 to 10 Mph.

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Calistoga Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (13.7 miles)

  • Lowest 2 December, 2025

    36 °F

  • Average December

    45.7 °F

  • Highest 2 December, 2025

    61 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (13.7 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    72.6 °F
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