Umatilla Weather Forecast

    • 47
    • 81

    Sunny

    • 53
    • 86

    Chance Rain Showers

    • 44
    • 67

    Chance Rain Showers

    • 43
    • 72

    Mostly Sunny

    • 49
    • 79

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

Today 1 May Lower Columbia Basin of Oregon

Sunny. Highs in the upper 70s to lower 80s. Light Wind, becoming northeast 5 to 10 Mph in the afternoon.

Tonight 1 May Lower Columbia Basin of Oregon

Clear. Lows in the upper 40s. Southeast wind 5 to 10 Mph.

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Umatilla Temperature Statistics

May Temperature

Hermiston, Hermiston Municipal Airport (6.8 miles)

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  • Average May

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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

    67.3 °F
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