Wheaton Creek Reservoir Weather Forecast

    • 29
    • 39

    Becoming Sunny

    • 29
    • 44

    Mostly Sunny

    • 30
    • 44

    Mostly Sunny

    • 28
    • 47

    Mostly Sunny

    • 27
    • 43

    Mostly Sunny

    • 27
    • 41

    Sunny

Today 12 Jan Malheur County

Mostly sunny. Highs 36 to 46. Light Winds.

Tonight 12 Jan Malheur County

Increasing Clouds. Patchy fog in the evening. Lows 20 to 27. Light Winds.

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Wheaton Creek Reservoir Temperature Statistics

January Temperature

Ontario Municipal Airport (43.5 miles)

  • Lowest 10 January, 2026

    24.1 °F

  • Average January

    37.6 °F

  • Highest 3 January, 2026

    52 °F

Climate (2021–Present)

Ontario Municipal Airport (43.5 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    67.2 °F
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