Wheaton Creek Reservoir Weather Forecast

    • 31
    • 50

    Chance Rain Showers

    • 38
    • 55

    Rain Showers

    • 27
    • 49

    Rain Showers

    • 26
    • 41

    Chance Snow Showers

    • 31
    • 50

    Mostly Sunny

    • 37
    • 56

    Partly Sunny

Today 13 Apr Malheur County

Rain Showers with a chance of snow Showers this Morning, then a chance of rain Showers with a slight chance of Thunderstorms this afternoon. Chance of precipitation 80 percent. Little or no snow accumulation. Highs 49 to 55. Breezy. West Winds 10 to 20 Mph with Gusts to 30 Mph.

Tonight 13 Apr Malheur County

Partly cloudy. A chance of rain Showers with a slight chance of Thunderstorms in the evening. Areas of fog. Chance of rain 30 percent. Lows 28 to 37. Northwest Winds 10 to 15 Mph.

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Wheaton Creek Reservoir Temperature Statistics

April Temperature

Ontario Municipal Airport (43.5 miles)

  • Lowest 4 April, 2026

    29.6 °F

  • Average April

    52.4 °F

  • Highest 6 April, 2026

    76.6 °F

Climate (2021–Present)

Ontario Municipal Airport (43.5 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    67.3 °F
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