Rainbow Lake Weather Forecast

    • 56
    • 75

    Increasing Clouds

    • 47
    • 65

    Rain Showers

    • 46
    • 52

    Rain Showers

    • 38
    • 53

    Rain Showers

    • 44
    • 55

    Mostly Cloudy

    • 43
    • 49

    Rain Showers Likely

    • 43
    • 52

    Rain Showers Likely

Today 25 Mar Mountains Southwestern Shasta County to Western Colusa County

Mostly sunny. Highs 61 to 76 higher Elevations. 75 to 81 lower Elevations. Light Winds becoming east up to 10 Mph in the afternoon.

Tonight 25 Mar Mountains Southwestern Shasta County to Western Colusa County

Mostly clear. Lows 46 to 60. Prevailing southwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

March Temperature

Weaverville (19.9 miles)

  • Lowest 7 March, 2025

    26.6 °F

  • Average March

    42.7 °F

  • Highest 8 March, 2025

    68 °F

Climate (2020–Present)

Weaverville (19.9 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    55.7 °F

  • Average High 2020–2025

    69.4 °F
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