Jack London State Historic Park Weather Forecast

    • 51
    • 75

    Mostly Sunny

    • 54
    • 82

    Sunny

    • 53
    • 85

    Mostly Sunny

    • 51
    • 83

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

Today 27 Jun North Bay Interior Valleys

Sunny. Highs in the mid 60s to upper 70s. West Winds 10 to 20 Mph.

Tonight 27 Jun North Bay Interior Valleys

Mostly clear. Lows in the upper 40s to mid 50s. West Winds 10 to 20 Mph.

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Jack London State Historic Park Temperature Statistics

June Temperature

Petaluma Municipal Airport (6.8 miles)

  • Lowest 7 June, 2026

    41 °F

  • Average June

    61.5 °F

  • Highest 11 June, 2026

    96.8 °F

Climate (2021–2026)

Petaluma Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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