Upper Letts Lake Weather Forecast

    • 36
    • 46

    Mostly Sunny

    • 35
    • 47

    Sunny

    • 34
    • 45

    Sunny

    • 33
    • 43

    Mostly Sunny

    • 34
    • 43

    Mostly Sunny

    • 40
    • 50

    Mostly Sunny

    • 38
    • 51

    Mostly Sunny

Today 17 Jan Mountains Southwestern Shasta County to Western Colusa County

Sunny. Highs 41 to 55 higher Elevations. Around 56 lower Elevations. Light Winds.

Tonight 17 Jan Mountains Southwestern Shasta County to Western Colusa County

Mostly clear. Lows 31 to 43. Prevailing north Winds up to 10 Mph.

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Upper Letts Lake Temperature Statistics

January Temperature

Ukiah Municipal Airport (28.6 miles)

  • Lowest 12 January, 2025

    32 °F

  • Average January

    49.9 °F

  • Highest 9 January, 2025

    71.7 °F

Climate (2020–Present)

Ukiah Municipal Airport (28.6 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    76.2 °F
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