Boonville Weather Forecast

    • 51
    • 58

    Rain

    • 46
    • 59

    Rain

    • 43
    • 56

    Rain

    • 41
    • 55

    Rain

    • 43
    • 53

    Rain

    • 41
    • 53

    Rain

Today 20 Dec Southwestern Mendocino Interior

Patchy valley fog in the morning. Chance of rain in the Morning, then rain in the afternoon. Highs 53 to 63.

Tonight 20 Dec Southwestern Mendocino Interior

Rain. Lows 45 to 55.

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Boonville Temperature Statistics

December Temperature

Ukiah Municipal Airport (11.8 miles)

  • Lowest 13 December, 2025

    30 °F

  • Average December

    47.9 °F

  • Highest 10 December, 2025

    72 °F

Climate (2020–Present)

Ukiah Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    76 °F
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