Heppner Weather Forecast

    • 54
    • 80

    Mostly Sunny

    • 59
    • 85

    Sunny

    • 64
    • 93

    Sunny

    • 65
    • 96

    Mostly Sunny

    • 58
    • 88

    Mostly Sunny

    • 58
    • 83

    Sunny

    • 64
    • 91

    Sunny

Today 5 Jul Foothills of the Southern Blue Mountains of Oregon

Partly cloudy in the Morning, becoming sunny. Highs in the upper 70s to mid 80s. West wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 5 Jul Foothills of the Southern Blue Mountains of Oregon

Mostly clear. Lows in the 50s. West wind 5 to 15 Mph.

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Heppner Temperature Statistics

July Temperature

Hermiston, Hermiston Municipal Airport (35.4 miles)

  • Lowest 1 July, 2025

    60.1 °F

  • Average July

    80.5 °F

  • Highest 1 July, 2025

    102 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (35.4 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    67.5 °F
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