Harper Weather Forecast

    • 47
    • 77

    Sunny

    • 51
    • 83

    Mostly Sunny

    • 47
    • 75

    Rain Showers Likely

    • 47
    • 68

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

Today 1 May Malheur County

Sunny. Highs 68 to 74. Northeast Winds up to 10 Mph.

Tonight 1 May Malheur County

Mostly clear. Lows 37 to 47. East Winds up to 10 Mph.

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Harper Temperature Statistics

May Temperature

Ontario Municipal Airport (31.7 miles)

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Climate (2020–Present)

Ontario Municipal Airport (31.7 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    66.9 °F
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