French Reservoir Weather Forecast

    • 27
    • 57

    Mostly Cloudy

    • 23
    • 55

    Partly Sunny

    • 16
    • 49

    Mostly Sunny

    • 18
    • 47

    Mostly Sunny

    • 23
    • 50

    Mostly Cloudy

    • 26
    • 51

    Partly Sunny

Today 21 Jan Modoc County

Mostly cloudy. Highs in the lower to mid 50s. Southeast Winds around 5 Mph shifting to the southwest this afternoon.

Tonight 21 Jan Modoc County

Mostly cloudy. Lows in the mid 20s to mid 30s. West Winds around 5 Mph shifting to the northeast after midnight.

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French Reservoir Temperature Statistics

January Temperature

Alturas (8.1 miles)

  • Lowest 9 January, 2026

    9 °F

  • Average January

    37.8 °F

  • Highest 14 January, 2026

    59 °F

Climate (2021–Present)

Alturas (8.1 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    64.5 °F
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