Rohnert Park Weather Forecast

    • 59
    • 94

    Mostly Sunny

    • 57
    • 94

    Mostly Sunny

    • 54
    • 91

    Mostly Sunny

    • 55
    • 89

    Mostly Sunny

    • 54
    • 87

    Partly Sunny

    • 49
    • 79

    Partly Sunny

Today 5 Oct North Bay Interior Valleys

Sunny. Highs mid 80s to 101. South Winds 5 to 10 Mph.

Tonight 5 Oct North Bay Interior Valleys

Mostly clear. Lows in the upper 50s to lower 70s. West Winds 5 to 10 Mph. Becoming northwest after midnight.

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Rohnert Park Temperature Statistics

October Temperature

Petaluma Municipal Airport (7.5 miles)

  • Lowest 1 October, 2026

    44.6 °F

  • Average October

    63 °F

  • Highest 2 October, 2026

    91.4 °F

Climate (2021–2026)

Petaluma Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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