Umatilla National Wildlife Refuge Weather Forecast

    • 54
    • 75

    Increasing Clouds

    • 56
    • 76

    Mostly Cloudy

    • 58
    • 69

    Rain Likely

    • 51
    • 69

    Chance Rain Showers

    • 53
    • 71

    Partly Sunny

    • 56
    • 79

    Mostly Sunny

    • 61
    • 86

    Partly Sunny

Today 31 May Lower Columbia Basin of Oregon

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

Tonight 31 May Lower Columbia Basin of Oregon

Partly cloudy. Lows in the lower to mid 50s. Northeast wind 5 to 10 Mph shifting to the south overnight.

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Umatilla National Wildlife Refuge Temperature Statistics

May Temperature

Hermiston, Hermiston Municipal Airport (16.2 miles)

  • Lowest 3 May, 2024

    34.6 °F

  • Average May

    59.9 °F

  • Highest 11 May, 2024

    90.6 °F

Climate (2019–Present)

Hermiston, Hermiston Municipal Airport (16.2 miles)

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  • Average Low 2019–2024

    42.8 °F

  • Average 2019–2024

    54.9 °F

  • Average High 2019–2024

    67 °F
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