Jack London State Historic Park Weather Forecast

    • 55
    • 87

    Sunny

    • 57
    • 89

    Sunny

    • 56
    • 87

    Mostly Sunny

    • 51
    • 81

    Mostly Sunny

    • 49
    • 75

    Partly Sunny

    • 48
    • 73

    Mostly Cloudy

Today 18 Mar North Bay Interior Valleys

Sunny. Highs in the upper 70s to mid 90s. North Winds up to 5 Mph. Becoming southwest in the afternoon.

Tonight 18 Mar North Bay Interior Valleys

Clear. Lows in the lower 50s to mid 60s. Northwest Winds up to 5 Mph.

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Jack London State Historic Park Temperature Statistics

March Temperature

Petaluma Municipal Airport (6.8 miles)

  • Lowest 10 March, 2026

    37.4 °F

  • Average March

    55.7 °F

  • Highest 15 March, 2026

    80.6 °F

Climate (2021–Present)

Petaluma Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    68.5 °F
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