Heppner Weather Forecast

    • 37
    • 45

    Rain

    • 35
    • 50

    Chance Rain

    • 35
    • 47

    Rain Likely

    • 29
    • 43

    Slight Chance Rain

    • 26
    • 41

    Mostly Cloudy

    • 28
    • 40

    Partly Sunny

    • 34
    • 47

    Mostly Cloudy

Today 25 Nov Foothills of the Southern Blue Mountains of Oregon

Mostly cloudy. A chance of rain. Highs in the lower to mid 40s. South wind 5 to 10 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 25 Nov Foothills of the Southern Blue Mountains of Oregon

A chance of rain in the Evening, then rain likely overnight. Lows in the mid to upper 30s. South wind 5 to 10 Mph. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an inch.

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Heppner Temperature Statistics

November Temperature

Hermiston, Hermiston Municipal Airport (35.4 miles)

  • Lowest 19 November, 2025

    27 °F

  • Average November

    45.1 °F

  • Highest 15 November, 2025

    64.9 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (35.4 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    67.6 °F
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