Lower Roberts Reservoir Weather Forecast

    • 35
    • 81

    Increasing Clouds

    • 25
    • 72

    Partly Sunny

    • 33
    • 70

    Partly Sunny

    • 33
    • 68

    Partly Sunny

    • 39
    • 71

    Partly Sunny

    • 28
    • 68

    Mostly Sunny

    • 33
    • 64

    Mostly Sunny

Today 20 Mar Modoc County

Sunny. Highs in the mid 70s to mid 80s. Southwest Winds 10 to 15 Mph.

Tonight 20 Mar Modoc County

Partly cloudy then becoming mostly clear late this evening then becoming partly cloudy. Lows in the lower to mid 40s. West Winds 5 to 10 Mph.

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Lower Roberts Reservoir Temperature Statistics

March Temperature

Alturas (34.8 miles)

  • Lowest 11 March, 2026

    20.6 °F

  • Average March

    45.7 °F

  • Highest 18 March, 2026

    79 °F

Climate (2021–Present)

Alturas (34.8 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    64.8 °F
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