Hermiston Municipal Airport Weather Forecast

    • 39
    • 58

    Chance Rain Showers

    • 30
    • 61

    Mostly Sunny

    • 31
    • 58

    Chance Rain Showers

    • 31
    • 60

    Slight Chance Rain Showers

    • 31
    • 57

    Partly Sunny

Today 22 Oct Lower Columbia Basin of Oregon

Rain Showers likely. Highs in the upper 50s to lower 60s. Light wind. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an inch.

Tonight 22 Oct Lower Columbia Basin of Oregon

Cloudy. A 50 percent chance of rain Showers in the evening. Lows in the lower 40s. Breezy. Southwest wind 10 to 20 Mph with Gusts to around 35 Mph. Rainfall Amounts less than a quarter of an inch.

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  • Temperature Forecast NOAA

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Hermiston Municipal Airport Temperature Statistics

October Temperature

Hermiston, Hermiston Municipal Airport (0 miles)

  • Lowest 13 October, 2026

    27.6 °F

  • Average October

    55.4 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (0 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    67.6 °F
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