Umatilla National Wildlife Refuge Weather Forecast

    • 42
    • 55

    Rain

    • 39
    • 54

    Partly Sunny

    • 44
    • 58

    Slight Chance Rain

    • 46
    • 60

    Mostly Cloudy

    • 44
    • 62

    Mostly Cloudy

    • 35
    • 53

    Partly Sunny

Today 4 Mar Lower Columbia Basin of Oregon

Cloudy. Rain in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower to mid 50s. Windy. Southwest wind 5 to 10 Mph with Gusts to around 20 Mph shifting to the west 15 to 25 Mph with Gusts to around 35 Mph in the afternoon. Chance of precipitation 90 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 4 Mar Lower Columbia Basin of Oregon

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the upper 30s to lower 40s. Windy. West wind 20 to 30 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Umatilla National Wildlife Refuge Temperature Statistics

March Temperature

Hermiston, Hermiston Municipal Airport (16.2 miles)

  • Lowest 1 March, 2026

    28 °F

  • Average March

    41.9 °F

  • Highest 1 March, 2026

    54 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    67.7 °F
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