Lake Umatilla Weather Forecast

    • 49
    • 76

    Partly Sunny

    • 50
    • 76

    Rain Likely

    • 49
    • 65

    Rain Likely

    • 40
    • 62

    Chance Rain

    • 38
    • 61

    Partly Sunny

    • 44
    • 62

    Chance Rain

    • 40
    • 61

    Chance Rain

Today 25 Mar Lower Columbia Basin of Washington

Mostly sunny. Highs in the lower to mid 70s. Light Wind, becoming northeast 5 to 10 Mph in the afternoon.

Tonight 25 Mar Lower Columbia Basin of Washington

Partly cloudy. Lows in the upper 40s to lower 50s. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Umatilla Temperature Statistics

March Temperature

Hermiston, Hermiston Municipal Airport (16.8 miles)

  • Lowest 7 March, 2025

    25.8 °F

  • Average March

    47.4 °F

  • Highest 8 March, 2025

    64.9 °F

Climate (2020–Present)

Hermiston, Hermiston Municipal Airport (16.8 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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