Jack London State Historic Park Weather Forecast

    • 56
    • 92

    Sunny

    • 53
    • 93

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 51
    • 78

    Sunny

    • 51
    • 81

    Sunny

Today 30 May North Bay Interior Valleys

Sunny. Highs in the 80s to 90s. Southwest Winds around 5 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 30 May North Bay Interior Valleys

Mostly clear. Lows in the lower 50s to mid 60s. Southwest Winds 5 to 10 Mph.

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Jack London State Historic Park Temperature Statistics

May Temperature

Petaluma Municipal Airport (6.8 miles)

  • Lowest 14 May, 2025

    39.2 °F

  • Average May

    56.6 °F

  • Highest 5 May, 2025

    82.4 °F

Climate (2020–Present)

Petaluma Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    69.4 °F
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