Hood Mountain Regional Park Weather Forecast

    • 65
    • 83

    Sunny

    • 62
    • 85

    Mostly Sunny

    • 61
    • 77

    Chance Rain Showers

    • 60
    • 73

    Slight Chance Rain Showers

    • 59
    • 73

    Mostly Sunny

    • 59
    • 74

    Mostly Sunny

Today 16 Sep North Bay Interior Mountains

Sunny. Highs in the 80s to lower 90s. East Winds around 5 Mph. Becoming southwest in the afternoon.

Tonight 16 Sep North Bay Interior Mountains

Clear. Lows in the 60s. West Winds up to 5 Mph in the evening. Becoming light.

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Hood Mountain Regional Park Temperature Statistics

September Temperature

Petaluma Municipal Airport (13.7 miles)

  • Lowest 7 September, 2025

    50 °F

  • Average September

    62.6 °F

  • Highest 1 September, 2025

    93.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    69.1 °F
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