Hood Mountain Regional Park Weather Forecast

    • 49
    • 62

    Mostly Cloudy

    • 46
    • 61

    Partly Sunny

    • 49
    • 63

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

    • 50
    • 66

    Mostly Sunny

    • 51
    • 65

    Mostly Sunny

Today 31 Jan North Bay Interior Mountains

Mostly cloudy. Highs in the 50s to upper 60s. East Winds 5 to 10 Mph.

Tonight 31 Jan North Bay Interior Mountains

Mostly cloudy. Lows in the upper 40s. East Winds around 5 Mph. Becoming northwest after midnight.

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Hood Mountain Regional Park Temperature Statistics

January Temperature

Petaluma Municipal Airport (13.7 miles)

  • Lowest 9 January, 2026

    30.2 °F

  • Average January

    50.2 °F

  • Highest 24 January, 2026

    69.8 °F

Climate (2021–Present)

Petaluma Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    68.5 °F
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