Hood Mountain Regional Park Weather Forecast

    • 61
    • 84

    Sunny

    • 62
    • 83

    Mostly Sunny

    • 65
    • 83

    Partly Sunny

    • 63
    • 85

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

Today 30 Sep North Bay Interior Mountains

Sunny. Highs in the mid 80s to lower 90s. North Winds 5 to 10 Mph. Becoming southwest in the afternoon.

Tonight 30 Sep North Bay Interior Mountains

Clear. Lows in the lower to mid 60s. Light Winds. Becoming east up to 5 Mph after midnight.

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Hood Mountain Regional Park Temperature Statistics

September Temperature

Petaluma Municipal Airport (13.7 miles)

  • Lowest 7 September, 2026

    44.6 °F

  • Average September

    63.5 °F

  • Highest 9 September, 2026

    96.8 °F

Climate (2021–2026)

Petaluma Municipal Airport (13.7 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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