Hermiston Municipal Airport Weather Forecast

    • 32
    • 51

    Chance Rain

    • 32
    • 47

    Chance Rain

    • 31
    • 48

    Chance Rain

    • 24
    • 45

    Mostly Cloudy

    • 22
    • 39

    Mostly Cloudy

    • 22
    • 36

    Mostly Cloudy

    • 23
    • 35

    Partly Sunny

Today 24 Dec Lower Columbia Basin of Oregon

Mostly cloudy with a 20 percent chance of rain. Highs in the lower to mid 50s. Windy. Southwest wind 15 to 25 Mph with Gusts to around 40 Mph.

Tonight 24 Dec Lower Columbia Basin of Oregon

Partly cloudy. Lows in the lower 30s. Southwest wind 5 to 15 Mph shifting to the east overnight.

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Hermiston Municipal Airport Temperature Statistics

December Temperature

Hermiston, Hermiston Municipal Airport (0 miles)

  • Lowest 1 December, 2025

    25 °F

  • Average December

    45.2 °F

  • Highest 15 December, 2025

    72 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (0 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    67.7 °F
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