Kelseyville Weather Forecast

    • 45
    • 81

    Partly Sunny

    • 49
    • 83

    Mostly Sunny

    • 49
    • 81

    Partly Sunny

    • 44
    • 71

    Chance Rain

    • 42
    • 61

    Rain Likely

    • 37
    • 57

    Rain Likely

Today 27 Mar Southern Lake County

Partly cloudy. Highs 74 to 84.

Tonight 27 Mar Southern Lake County

Partly cloudy. Lows 45 to 55.

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Kelseyville Temperature Statistics

March Temperature

Ukiah Municipal Airport (21.7 miles)

  • Lowest 6 March, 2026

    37.7 °F

  • Average March

    60.8 °F

  • Highest 20 March, 2026

    94.6 °F

Climate (2021–Present)

Ukiah Municipal Airport (21.7 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.3 °F
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