Calistoga Weather Forecast

    • 60
    • 92

    Becoming Sunny

    • 56
    • 82

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

    • 55
    • 90

    Mostly Sunny

    • 56
    • 90

    Mostly Sunny

    • 57
    • 92

    Mostly Sunny

Today 21 Jul North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 80s to mid 90s. Southwest Winds up to 5 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 21 Jul North Bay Interior Valleys

Mostly clear. Lows in the 50s to mid 60s. Southwest Winds 5 to 15 Mph.

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Calistoga Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    46.4 °F

  • Average July

    67.5 °F

  • Highest 14 July, 2026

    97.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    72.8 °F
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