Lake Umatilla Weather Forecast

    • 28
    • 38

    Areas Freezing Fog

    • 26
    • 39

    Patchy Freezing Fog

    • 25
    • 38

    Areas Freezing Fog

    • 26
    • 38

    Patchy Freezing Fog

    • 28
    • 39

    Mostly Cloudy

    • 29
    • 41

    Mostly Cloudy

    • 28
    • 41

    Mostly Cloudy

Today 18 Jan Lower Columbia Basin of Washington

Mostly cloudy. Patchy freezing fog in the morning. Highs in the mid to upper 30s. Light wind.

Tonight 18 Jan Lower Columbia Basin of Washington

Mostly cloudy. Patchy freezing fog overnight. Lows in the mid to upper 20s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Umatilla Temperature Statistics

January Temperature

Hermiston, Hermiston Municipal Airport (16.8 miles)

  • Lowest 14 January, 2026

    25 °F

  • Average January

    37.7 °F

  • Highest 12 January, 2026

    57 °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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