Mendocino National Forest Weather Forecast

    • 38
    • 45

    Rain Showers Likely

    • 41
    • 43

    Rain

    • 37
    • 45

    Rain

    • 37
    • 41

    Rain/Snow

    • 35
    • 42

    Rain Showers

    • 36
    • 38

    Snow Showers

    • 35
    • 37

    Snow Showers

Today 19 Dec Mountains Southwestern Shasta County to Western Colusa County

A chance of rain Showers early in the Morning, then rain Showers in the late morning and early afternoon. A chance of rain Showers late in the afternoon. Highs 41 to 55 higher Elevations 50 to 56 lower Elevations. Prevailing southwest Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 19 Dec Mountains Southwestern Shasta County to Western Colusa County

Mostly cloudy. At lower Elevations, rain likely early in the Evening, then a chance of rain in the late evening and overnight. At higher Elevations, a chance of rain until early Morning, then a chance of rain and snow late in the night. Lows 34 to 48. No snow accumulation. Prevailing west Winds up to 10 Mph.

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Mendocino National Forest Temperature Statistics

December Temperature

Ukiah Municipal Airport (42.9 miles)

  • Lowest 13 December, 2025

    30 °F

  • Average December

    47.9 °F

  • Highest 10 December, 2025

    72 °F

Climate (2020–Present)

Ukiah Municipal Airport (42.9 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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