Upper Letts Lake Weather Forecast

    • 36
    • 46

    Sunny

    • 35
    • 44

    Rain Showers

    • 39
    • 41

    Rain Showers

    • 41
    • 44

    Rain Showers

    • 39
    • 44

    Rain Showers

    • 35
    • 41

    Rain Showers

    • 32
    • 38

    Rain Showers

Today 29 Jan Mountains Southwestern Shasta County to Western Colusa County

Sunny. Highs 44 to 58. Light Winds.

Tonight 29 Jan Mountains Southwestern Shasta County to Western Colusa County

Clear. Lows 32 to 40. Light Winds.

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Upper Letts Lake Temperature Statistics

January Temperature

Ukiah Municipal Airport (28.6 miles)

  • Lowest 21 January, 2025

    29.8 °F

  • Average January

    49.9 °F

  • Highest 23 January, 2025

    72.6 °F

Climate (2020–Present)

Ukiah Municipal Airport (28.6 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    76.3 °F
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