Hermiston Municipal Airport Weather Forecast

    • 49
    • 81

    Mostly Sunny

    • 39
    • 73

    Blowing Dust

    • 36
    • 62

    Partly Sunny

    • 31
    • 60

    Mostly Sunny

    • 33
    • 62

    Mostly Sunny

    • 39
    • 67

    Partly Sunny

    • 37
    • 68

    Mostly Sunny

Today 8 Oct Lower Columbia Basin of Oregon

Sunny. Highs in the lower 80s. Light wind.

Tonight 8 Oct Lower Columbia Basin of Oregon

Partly cloudy. Lows in the lower to mid 50s. Light Wind, becoming southwest 5 to 10 Mph with Gusts to around 25 Mph overnight.

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Hermiston Municipal Airport Temperature Statistics

October Temperature

Hermiston, Hermiston Municipal Airport (0 miles)

  • Lowest 1 October, 2026

    42.7 °F

  • Average October

    61 °F

  • Highest 5 October, 2026

    82.9 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (0 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    67.6 °F
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