Sproul Reservoir Weather Forecast

    • 20
    • 54

    Slight Chance Rain

    • 23
    • 46

    Mostly Sunny

    • 30
    • 59

    Partly Sunny

    • 35
    • 65

    Partly Sunny

    • 37
    • 63

    Mostly Cloudy

    • 30
    • 53

    Chance Rain/Snow

Today 25 Mar Ochoco-John Day Highlands

Mostly cloudy with a chance of rain in the Morning, then mostly sunny with a chance of rain in the afternoon. Highs in the 50s. West wind 5 to 15 Mph in the afternoon. Gusts up to 30 Mph. Chance of precipitation 40 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 25 Mar Ochoco-John Day Highlands

Partly cloudy. Lows 19 to 23. Northwest wind 5 to 15 Mph in the Evening, becoming light. Gusts up to 30 Mph.

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Sproul Reservoir Temperature Statistics

March Temperature

Grant County Regional Airport (15.5 miles)

  • Lowest 15 March, 2026

    25.7 °F

  • Average March

    45.8 °F

  • Highest 19 March, 2026

    78.8 °F

Climate (2021–Present)

Grant County Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.4 °F
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