Grizzly Flat Recreation Area Weather Forecast

    • 54
    • 79

    Increasing Clouds

    • 57
    • 78

    Partly Sunny

    • 61
    • 88

    Sunny

    • 62
    • 92

    Mostly Sunny

    • 61
    • 90

    Mostly Sunny

    • 62
    • 93

    Mostly Sunny

Today 16 Sep Central Glenn County Including Interstate 5

Sunny. A slight chance of rain in the afternoon. Highs around 79. Light Winds becoming east around 10 Mph in the afternoon.

Tonight 16 Sep Central Glenn County Including Interstate 5

Clear. A slight chance of rain in the evening. Lows around 53. Light Winds.

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Grizzly Flat Recreation Area Temperature Statistics

September Temperature

Red Bluff, Red Bluff Municipal Airport (26.7 miles)

  • Lowest 6 September, 2026

    52.6 °F

  • Average September

    72.7 °F

  • Highest 9 September, 2026

    103.6 °F

Climate (2021–2026)

Red Bluff, Red Bluff Municipal Airport (26.7 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    77.6 °F
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