Sonoma Weather Forecast

    • 40
    • 65

    Becoming Sunny

    • 41
    • 66

    Mostly Sunny

    • 41
    • 67

    Partly Sunny

    • 43
    • 69

    Sunny

    • 42
    • 74

    Mostly Sunny

    • 44
    • 75

    Partly Sunny

Today 13 Apr North Bay Interior Valleys

Sunny. Areas of fog in the morning. Highs in the 50s to upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 13 Apr North Bay Interior Valleys

Mostly clear except patchy fog after midnight. Lows in the upper 30s to lower 50s. West Winds 5 to 10 Mph with Gusts to around 25 Mph.

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Sonoma Temperature Statistics

April Temperature

Petaluma Municipal Airport (8.1 miles)

  • Lowest 3 April, 2026

    41 °F

  • Average April

    58.4 °F

  • Highest 5 April, 2026

    84.2 °F

Climate (2021–Present)

Petaluma Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.6 °F
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