Graven Reservoir Weather Forecast

    • 46
    • 75

    Mostly Sunny

    • 48
    • 78

    Mostly Sunny

    • 51
    • 84

    Sunny

    • 51
    • 86

    Sunny

    • 50
    • 84

    Sunny

    • 50
    • 84

    Mostly Sunny

    • 46
    • 78

    Mostly Sunny

Today 20 Jun Modoc County

Partly cloudy then becoming sunny in the late morning and early afternoon then becoming partly cloudy. A 20 percent chance of Thunderstorms this afternoon. Highs in the lower to mid 70s. Southwest Winds 10 to 15 Mph.

Tonight 20 Jun Modoc County

Partly cloudy with a 10 percent chance of Thunderstorms early this Evening, then mostly clear late this evening and overnight. Lows in the mid 40s to lower 50s. Northwest Winds 5 to 10 Mph shifting to the north well after midnight.

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Graven Reservoir Temperature Statistics

June Temperature

Alturas (14.9 miles)

  • Lowest 10 June, 2026

    33.7 °F

  • Average June

    63.3 °F

  • Highest 16 June, 2026

    95.6 °F

Climate (2021–2026)

Alturas (14.9 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    65 °F
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