French Reservoir Weather Forecast

    • 52
    • 89

    Decreasing Clouds

    • 51
    • 91

    Decreasing Clouds

    • 51
    • 89

    Partly Sunny

    • 47
    • 86

    Chance Rain Showers

    • 45
    • 86

    Sunny

    • 44
    • 85

    Mostly Sunny

    • 42
    • 83

    Mostly Sunny

Today 25 Aug Modoc County

Partly cloudy then becoming mostly cloudy early this afternoon then becoming partly cloudy. Highs in the lower to mid 80s. South Winds 5 to 10 Mph increasing to southwest 15 to 20 Mph this afternoon.

Tonight 25 Aug Modoc County

Partly cloudy. Lows in the lower to mid 50s. Southwest Winds 10 to 15 Mph shifting to the southeast 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

French Reservoir Temperature Statistics

August Temperature

Alturas (8.1 miles)

  • Lowest 16 August, 2026

    38.6 °F

  • Average August

    69.8 °F

  • Highest 7 August, 2026

    101.6 °F

Climate (2021–2026)

Alturas (8.1 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    64.8 °F
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