Rainbow Lake Weather Forecast

    • 62
    • 84

    Sunny

    • 61
    • 85

    Sunny

    • 61
    • 77

    Sunny

    • 61
    • 80

    Sunny

    • 63
    • 86

    Sunny

    • 63
    • 86

    Mostly Sunny

Today 14 Sep Western Shasta County Foothills Between 1000-3000 ft

Sunny, warmer. Highs 80 to 90. North Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 14 Sep Western Shasta County Foothills Between 1000-3000 ft

Clear. Lows 53 to 63. Northwest Winds up to 10 Mph with Gusts to around 20 Mph.

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Rainbow Lake Temperature Statistics

September Temperature

Weaverville (19.9 miles)

  • Lowest 4 September, 2026

    39.2 °F

  • Average September

    65 °F

  • Highest 9 September, 2026

    96.8 °F

Climate (2023–2026)

Weaverville (19.9 miles)

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  • Average Low 2023–2026

    43.4 °F

  • Average 2023–2026

    57.6 °F

  • Average High 2023–2026

    71.4 °F
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