French Reservoir Weather Forecast

    • 30
    • 63

    Becoming Sunny

    • 24
    • 52

    Slight Chance Rain

    • 25
    • 56

    Partly Sunny

    • 26
    • 57

    Partly Sunny

    • 24
    • 53

    Chance Rain/Snow

    • 22
    • 50

    Slight Chance Rain/Snow

Today 25 Oct Modoc County

Mostly cloudy. Highs in the mid 50s to lower 60s. South Winds 10 to 15 Mph.

Tonight 25 Oct Modoc County

Mostly cloudy in the Evening, then mostly clear with a slight chance of rain after midnight. Lows in the lower to mid 30s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

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French Reservoir Temperature Statistics

October Temperature

Alturas (8.1 miles)

  • Lowest 12 October, 2026

    15.7 °F

  • Average October

    54.1 °F

  • Highest 3 October, 2026

    89.7 °F

Climate (2021–2026)

Alturas (8.1 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    64.9 °F
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