Sworinger Reservoir Weather Forecast

    • 42
    • 53

    Partly Sunny

    • 43
    • 50

    Rain

    • 37
    • 45

    Rain Likely

    • 40
    • 48

    Rain Likely

    • 37
    • 44

    Rain

    • 36
    • 44

    Chance Rain/Snow

Today 15 Dec Modoc County

Mostly cloudy early this morning then becoming partly cloudy. Highs in the lower to mid 50s. South Winds 10 to 15 Mph.

Tonight 15 Dec Modoc County

Mostly cloudy. A 10 percent chance of rain Showers after midnight. Lows around 40. South Winds 10 to 15 Mph.

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Sworinger Reservoir Temperature Statistics

December Temperature

Alturas (31.1 miles)

  • Lowest 1 December, 2025

    15.1 °F

  • Average December

    42.5 °F

  • Highest 10 December, 2025

    64 °F

Climate (2020–Present)

Alturas (31.1 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    64.4 °F
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