Sonoma Weather Forecast

    • 42
    • 66

    Decreasing Clouds

    • 45
    • 73

    Mostly Sunny

    • 47
    • 78

    Mostly Sunny

    • 48
    • 79

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

    • 47
    • 73

    Partly Sunny

Today 27 Apr North Bay Interior Valleys

Partly cloudy. Areas of fog in the morning. A slight chance of drizzle in the afternoon. Highs in the 50s to upper 60s. West Winds up to 5 Mph increasing to southwest 10 to 15 Mph in the afternoon.

Tonight 27 Apr North Bay Interior Valleys

Partly cloudy. Areas of fog after midnight. Lows in the 40s to lower 50s. West Winds 5 to 10 Mph.

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Sonoma Temperature Statistics

April Temperature

Petaluma Municipal Airport (8.1 miles)

  • Lowest 18 April, 2026

    35.6 °F

  • Average April

    56.3 °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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