Cotati Weather Forecast

    • 38
    • 58

    Rain

    • 39
    • 62

    Partly Sunny

    • 44
    • 64

    Mostly Cloudy

    • 45
    • 68

    Partly Sunny

    • 48
    • 72

    Partly Sunny

    • 51
    • 78

    Areas Fog

Today 19 Mar North Bay Interior Valleys

Mostly cloudy. Areas of fog in the morning. A chance of rain in the afternoon. Highs in the 50s to lower 60s. South Winds up to 5 Mph. Becoming southwest 5 to 15 Mph in the afternoon.

Tonight 19 Mar North Bay Interior Valleys

Becoming partly cloudy after midnight. Rain likely in the evening. Patchy fog after midnight. Lows in the 30s to mid 40s. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cotati Temperature Statistics

March Temperature

Petaluma Municipal Airport (7.5 miles)

  • Lowest 3 March, 2025

    33.8 °F

  • Average March

    48.7 °F

  • Highest 7 March, 2025

    64.4 °F

Climate (2020–Present)

Petaluma Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    44.7 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    69.5 °F
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