Harper Weather Forecast

    • 22
    • 41

    Mostly Sunny

    • 27
    • 42

    Partly Sunny

    • 32
    • 42

    Rain

    • 32
    • 48

    Rain Likely

    • 31
    • 46

    Chance Rain

    • 29
    • 43

    Chance Rain

Today 29 Jan Malheur County

Sunny. Highs 34 to 43. Light Winds.

Tonight 29 Jan Malheur County

Mostly clear. Lows 15 to 23. Light Winds.

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Harper Temperature Statistics

January Temperature

Ontario Municipal Airport (31.7 miles)

  • Lowest 27 January, 2025

    10.9 °F

  • Average January

    33.4 °F

  • Highest 6 January, 2025

    51.7 °F

Climate (2020–Present)

Ontario Municipal Airport (31.7 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67.1 °F
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