Wheaton Creek Reservoir Weather Forecast

    • 60
    • 84

    Rain Showers

    • 61
    • 89

    Mostly Sunny

    • 60
    • 93

    Mostly Sunny

    • 61
    • 93

    Mostly Sunny

    • 63
    • 94

    Partly Sunny

    • 63
    • 93

    Partly Sunny

Today 14 Jul Malheur County

Showers this Morning, then partly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Thunderstorms may produce heavy rainfall and gusty Winds this afternoon. Chance of rain 80 percent. Highs 83 to 89. Northwest Winds 10 to 15 Mph.

Tonight 14 Jul Malheur County

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Thunderstorms may produce heavy rainfall and gusty Winds in the evening. Chance of rain 30 percent. Lows 56 to 66. North Winds up to 10 Mph in the Evening, shifting to southwest after midnight.

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Wheaton Creek Reservoir Temperature Statistics

July Temperature

Ontario Municipal Airport (43.5 miles)

  • Lowest 2 July, 2026

    53.7 °F

  • Average July

    78.2 °F

  • Highest 5 July, 2026

    100.7 °F

Climate (2021–2026)

Ontario Municipal Airport (43.5 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    67.1 °F
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