French Reservoir Weather Forecast

    • 38
    • 72

    Mostly Sunny

    • 34
    • 71

    Partly Sunny

    • 43
    • 67

    Partly Sunny

    • 42
    • 65

    Rain Likely

    • 35
    • 51

    Rain Likely

    • 33
    • 46

    Chance Rain

Today 21 Oct Modoc County

Sunny. Highs in the mid 60s to lower 70s. East Winds around 5 Mph shifting to the south late this afternoon.

Tonight 21 Oct Modoc County

Mostly clear. Lows in the mid 30s to lower 40s. South Winds 5 to 10 Mph shifting to the southeast well after midnight.

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French Reservoir Temperature Statistics

October Temperature

Alturas (8.1 miles)

  • Lowest 16 October, 2025

    24.1 °F

  • Average October

    49.4 °F

  • Highest 7 October, 2025

    73 °F

Climate (2020–Present)

Alturas (8.1 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    49.1 °F

  • Average High 2020–2025

    64.3 °F
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