Umatilla National Forest Weather Forecast

    • 12
    • 25

    Partly Sunny

    • 11
    • 26

    Mostly Sunny

    • 17
    • 27

    Partly Sunny

    • 20
    • 31

    Mostly Cloudy

    • 20
    • 33

    Partly Sunny

    • 24
    • 35

    Partly Sunny

Today 18 Jan Southern Blue Mountains of Oregon

Sunny in the Morning, becoming partly sunny. Highs in the upper 20s to lower 30s.

Tonight 18 Jan Southern Blue Mountains of Oregon

Mostly clear. Lows 10 to 17.

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Umatilla National Forest Temperature Statistics

January Temperature

Grant County Regional Airport (35.4 miles)

  • Lowest 13 January, 2025

    23.9 °F

  • Average January

    34.3 °F

  • Highest 15 January, 2025

    53.1 °F

Climate (2020–Present)

Grant County Regional Airport (35.4 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    62.3 °F
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