Jack London State Historic Park Weather Forecast

    • 50
    • 73

    Increasing Clouds

    • 50
    • 67

    Rain Likely

    • 49
    • 64

    Rain Showers Likely

    • 43
    • 61

    Chance Rain

    • 41
    • 60

    Chance Rain Showers

    • 42
    • 66

    Partly Sunny

Today 8 Apr North Bay Interior Valleys

Sunny. Highs in the upper 60s to lower 80s. West Winds up to 5 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 8 Apr North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog after midnight. Lows in the upper 40s to mid 50s. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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Jack London State Historic Park Temperature Statistics

April Temperature

Petaluma Municipal Airport (6.8 miles)

  • Lowest 3 April, 2026

    41 °F

  • Average April

    60.4 °F

  • Highest 5 April, 2026

    84.2 °F

Climate (2021–Present)

Petaluma Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.6 °F
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