Hermiston Weather Forecast

    • 20
    • 39

    Mostly Sunny

    • 34
    • 43

    Increasing Clouds

    • 36
    • 50

    Rain

    • 29
    • 47

    Chance Rain

    • 27
    • 43

    Chance Rain/Snow

    • 22
    • 39

    Chance Rain/Snow

    • 20
    • 33

    Chance Snow

Today 29 Jan Lower Columbia Basin of Oregon

Sunny. Patchy freezing fog. Highs in the upper 30s. Light wind.

Tonight 29 Jan Lower Columbia Basin of Oregon

Clear. Lows 19 to 23. Light Wind, becoming south 5 to 10 Mph overnight.

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  • Temperature Real-Time

Hermiston Temperature Statistics

January Temperature

Hermiston, Hermiston Municipal Airport (1.2 miles)

  • Lowest 26 January, 2025

    13.7 °F

  • Average January

    34.6 °F

  • Highest 16 January, 2025

    54.6 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    67.4 °F
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