Heppner Weather Forecast

    • 26
    • 39

    Mostly Cloudy

    • 27
    • 39

    Partly Sunny

    • 26
    • 41

    Partly Sunny

    • 27
    • 43

    Mostly Sunny

    • 30
    • 46

    Partly Sunny

    • 32
    • 47

    Mostly Cloudy

Today 16 Jan Foothills of the Southern Blue Mountains of Oregon

Mostly sunny. Patchy freezing fog in the morning. Highs in the upper 30s to lower 40s. Light Wind, becoming northeast 5 to 10 Mph in the afternoon.

Tonight 16 Jan Foothills of the Southern Blue Mountains of Oregon

Partly cloudy. Lows in the mid to upper 20s. Northeast wind 5 to 10 Mph in the Evening, becoming light.

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Heppner Temperature Statistics

January Temperature

Hermiston, Hermiston Municipal Airport (35.4 miles)

  • Lowest 10 January, 2026

    26.1 °F

  • Average January

    38.3 °F

  • Highest 12 January, 2026

    57 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (35.4 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    67.7 °F
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