Graves Reservoir Weather Forecast

    • 43
    • 74

    Partly Sunny

    • 41
    • 70

    Breezy

    • 37
    • 52

    Slight Chance Snow Showers

    • 30
    • 46

    Chance Rain/Snow

    • 31
    • 47

    Mostly Cloudy

    • 33
    • 50

    Chance Rain/Snow

    • 30
    • 46

    Chance Rain Showers

Today 25 Mar Modoc County

Sunny until early afternoon then becoming partly cloudy. Highs in the lower to mid 70s. East Winds 5 to 10 Mph shifting to the south 10 to 15 Mph this afternoon.

Tonight 25 Mar Modoc County

Mostly clear. Lows in the lower to mid 40s. South Winds 5 to 10 Mph shifting to the southeast well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Graves Reservoir Temperature Statistics

March Temperature

Alturas (9.3 miles)

  • Lowest 8 March, 2025

    18 °F

  • Average March

    38.7 °F

  • Highest 1 March, 2025

    67.6 °F

Climate (2020–Present)

Alturas (9.3 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    64.2 °F
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