Cotati Weather Forecast

    • 40
    • 54

    Rain Likely

    • 49
    • 55

    Rain

    • 48
    • 58

    Rain

    • 46
    • 57

    Rain Likely

    • 39
    • 55

    Rain

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    • 54

    Rain

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    • 54

    Rain Likely

Today 30 Jan North Bay Interior Valleys

Mostly cloudy. Patchy fog late in the morning. Highs in the lower to mid 50s. Southwest Winds up to 5 Mph.

Tonight 30 Jan North Bay Interior Valleys

Mostly cloudy. Patchy fog. A chance of rain. Lows in the 30s to upper 40s. Southwest Winds up to 5 Mph. Becoming southeast after midnight.

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Cotati Temperature Statistics

January Temperature

Petaluma Municipal Airport (7.5 miles)

  • Lowest 21 January, 2025

    26.6 °F

  • Average January

    47.2 °F

  • Highest 7 January, 2025

    68 °F

Climate (2020–Present)

Petaluma Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    69.7 °F
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