Zinfandel Weather Forecast

    • 57
    • 95

    Patchy Smoke

    • 60
    • 99

    Hot

    • 61
    • 99

    Hot

    • 58
    • 100

    Hot

    • 55
    • 95

    Mostly Sunny

    • 54
    • 93

    Mostly Sunny

Today 31 Jul North Bay Interior Valleys

Sunny. Highs in the upper 70s to mid 90s. Southwest Winds 5 to 15 Mph.

Tonight 31 Jul North Bay Interior Valleys

Clear except for smoke. Lows in the 50s. Southwest Winds up to 5 Mph.

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Zinfandel Temperature Statistics

July Temperature

Petaluma Municipal Airport (17.4 miles)

  • Lowest 17 July, 2026

    44.6 °F

  • Average July

    62.9 °F

  • Highest 21 July, 2026

    96.8 °F

Climate (2021–2026)

Petaluma Municipal Airport (17.4 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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