Umatilla Weather Forecast

    • 32
    • 57

    Mostly Sunny

    • 36
    • 54

    Mostly Cloudy

    • 34
    • 60

    Partly Sunny

    • 34
    • 55

    Partly Sunny

    • 42
    • 55

    Chance Rain

    • 42
    • 63

    Chance Rain

Today 27 Oct Lower Columbia Basin of Oregon

Partly sunny in the morning then clearing. Highs in the mid 50s. Breezy. Southwest wind 10 to 20 Mph with Gusts to around 30 Mph.

Tonight 27 Oct Lower Columbia Basin of Oregon

Mostly clear. Lows in the lower 30s. South wind 5 to 10 Mph.

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Umatilla Temperature Statistics

October Temperature

Hermiston, Hermiston Municipal Airport (6.8 miles)

  • Lowest 14 October, 2025

    30 °F

  • Average October

    52.9 °F

  • Highest 8 October, 2025

    75.9 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    67.5 °F
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