Fopiano Reservoir Weather Forecast

    • 32
    • 54

    Decreasing Clouds

    • 32
    • 55

    Mostly Sunny

    • 37
    • 61

    Mostly Sunny

    • 43
    • 69

    Mostly Sunny

    • 47
    • 73

    Partly Sunny

    • 41
    • 69

    Slight Chance Thunderstorms

    • 41
    • 68

    Mostly Sunny

Today 29 May Ochoco-John Day Highlands

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 50s to lower 60s. West wind 5 to 15 Mph with Gusts to around 25 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 29 May Ochoco-John Day Highlands

Mostly cloudy. Lows in the upper 20s to mid 30s. Northwest wind 5 to 15 Mph in the Evening, becoming light. Gusts up to 25 Mph.

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Fopiano Reservoir Temperature Statistics

May Temperature

Grant County Regional Airport (49.7 miles)

  • Lowest 18 May, 2026

    31.1 °F

  • Average May

    54.2 °F

  • Highest 25 May, 2026

    83.7 °F

Climate (2021–Present)

Grant County Regional Airport (49.7 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.3 °F
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