Rainbow Lake Weather Forecast

    • 41
    • 53

    Mostly Sunny

    • 40
    • 57

    Mostly Sunny

    • 41
    • 54

    Sunny

    • 40
    • 54

    Mostly Sunny

    • 40
    • 53

    Mostly Sunny

    • 46
    • 59

    Mostly Sunny

    • 44
    • 61

    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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Rainbow Lake Temperature Statistics

January Temperature

Weaverville (19.9 miles)

  • Lowest 15 January, 2025

    28.4 °F

  • Average January

    41.8 °F

  • Highest 15 January, 2025

    62.6 °F

Climate (2020–Present)

Weaverville (19.9 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    69.4 °F
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