French Reservoir Weather Forecast

    • 20
    • 43

    Mostly Sunny

    • 25
    • 46

    Mostly Cloudy

    • 24
    • 51

    Partly Sunny

    • 28
    • 55

    Mostly Sunny

    • 29
    • 59

    Mostly Sunny

    • 28
    • 60

    Mostly Sunny

    • 26
    • 59

    Sunny

Today 9 Jan Modoc County

Sunny. Highs in the mid 30s to lower 40s. East Winds around 5 Mph.

Tonight 9 Jan Modoc County

Mostly clear early this evening then becoming partly cloudy. Lows in the lower to mid 20s. Southeast Winds 5 to 10 Mph.

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French Reservoir Temperature Statistics

January Temperature

Alturas (8.1 miles)

  • Lowest 7 January, 2026

    26.1 °F

  • Average January

    39.7 °F

  • Highest 2 January, 2026

    51.1 °F

Climate (2021–Present)

Alturas (8.1 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    64.5 °F
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