Hermiston Municipal Airport Weather Forecast

    • 25
    • 32

    Cloudy

    • 25
    • 32

    Gradual Clearing

    • 22
    • 32

    Mostly Cloudy

    • 24
    • 37

    Mostly Cloudy

    • 25
    • 40

    Mostly Cloudy

    • 28
    • 40

    Mostly Cloudy

    • 30
    • 44

    Mostly Cloudy

Today 23 Jan Lower Columbia Basin of Oregon

Cloudy. Highs in the lower 30s. Light Wind, becoming northeast 5 to 10 Mph in the afternoon.

Tonight 23 Jan Lower Columbia Basin of Oregon

Cloudy. Patchy light freezing drizzle. Lows in the mid to upper 20s. Southeast wind 5 to 10 Mph in the Evening, becoming light.

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Hermiston Municipal Airport Temperature Statistics

January Temperature

Hermiston, Hermiston Municipal Airport (0 miles)

  • Lowest 14 January, 2026

    25 °F

  • Average January

    36.5 °F

  • Highest 12 January, 2026

    57 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (0 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    67.6 °F
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