Lake Umatilla Weather Forecast

    • 48
    • 65

    Increasing Clouds

    • 36
    • 62

    Breezy

    • 32
    • 52

    Partly Sunny

    • 35
    • 51

    Chance Rain/Snow

    • 43
    • 58

    Chance Rain

    • 38
    • 58

    Chance Rain

Today 7 Mar Lower Columbia Basin of Washington

Partly sunny. Highs in the mid 60s to lower 70s. Breezy. Southwest wind 10 to 20 Mph with Gusts to around 30 Mph.

Tonight 7 Mar Lower Columbia Basin of Washington

Partly cloudy. Lows in the mid to upper 40s. Breezy. Southwest wind 10 to 20 Mph.

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  • Temperature Real-Time

Lake Umatilla Temperature Statistics

March Temperature

Hermiston, Hermiston Municipal Airport (16.8 miles)

  • Lowest 1 March, 2026

    27.6 °F

  • Average March

    46.1 °F

  • Highest 3 March, 2026

    64 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (16.8 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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