Penngrove Weather Forecast

    • 54
    • 79

    Increasing Clouds

    • 54
    • 80

    Partly Sunny

    • 54
    • 81

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

Today 24 Jul North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to upper 80s. West Winds 10 to 20 Mph.

Tonight 24 Jul North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the 50s. West Winds 10 to 20 Mph.

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Penngrove Temperature Statistics

July Temperature

Petaluma Municipal Airport (4.3 miles)

  • Lowest 17 July, 2026

    44.6 °F

  • Average July

    62.4 °F

  • Highest 21 July, 2026

    96.8 °F

Climate (2021–2026)

Petaluma Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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