Wheaton Creek Reservoir Weather Forecast

    • 46
    • 70

    Increasing Clouds

    • 39
    • 70

    Mostly Sunny

    • 36
    • 57

    Chance Rain Showers

    • 35
    • 51

    Chance Rain Showers

    • 36
    • 52

    Chance Rain Showers

    • 35
    • 56

    Chance Rain Showers

Today 9 Oct Malheur County

Mostly sunny. Highs 71 to 77. Southeast Winds 10 to 15 Mph.

Tonight 9 Oct Malheur County

Mostly clear. Lows 41 to 50. Northeast Winds up to 10 Mph with Gusts to 20 Mph in the Evening, shifting to south with Gusts to 30 Mph after midnight.

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Wheaton Creek Reservoir Temperature Statistics

October Temperature

Ontario Municipal Airport (43.5 miles)

  • Lowest 7 October, 2025

    36 °F

  • Average October

    57 °F

  • Highest 1 October, 2025

    73.9 °F

Climate (2020–Present)

Ontario Municipal Airport (43.5 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67 °F
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