Calistoga Weather Forecast

    • 47
    • 64

    Increasing Clouds

    • 47
    • 62

    Mostly Cloudy

    • 44
    • 63

    Partly Sunny

    • 43
    • 63

    Mostly Sunny

    • 43
    • 62

    Partly Sunny

    • 43
    • 61

    Mostly Cloudy

Today 20 Jan North Bay Interior Valleys

Mostly cloudy. Patchy dense fog in the morning. Highs in the 50s to mid 60s. East Winds 5 to 10 Mph. Becoming southeast in the afternoon.

Tonight 20 Jan North Bay Interior Valleys

Mostly cloudy. Patchy fog. Lows in the 40s to lower 50s. North Winds up to 5 Mph.

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  • Temperature Real-Time

Calistoga Temperature Statistics

January Temperature

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

  • Lowest 13 January, 2026

    30.9 °F

  • Average January

    48.4 °F

  • Highest 16 January, 2026

    68 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    72.5 °F
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