Umatilla National Forest Weather Forecast

    • 37
    • 50

    Increasing Clouds

    • 35
    • 40

    Rain/Snow Likely

    • 31
    • 39

    Chance Snow Showers

    • 29
    • 41

    Chance Snow Showers

    • 28
    • 38

    Chance Snow Showers

    • 26
    • 37

    Chance Snow Showers

Today 25 Oct Southern Blue Mountains of Oregon

Partly sunny. Highs in the mid 50s to lower 60s. Southeast wind 5 to 15 Mph in the Morning, becoming light. Gusts up to 25 Mph.

Tonight 25 Oct Southern Blue Mountains of Oregon

Mostly cloudy. Lows in the 30s.

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Umatilla National Forest Temperature Statistics

October Temperature

Grant County Regional Airport (35.4 miles)

  • Lowest 13 October, 2026

    25.2 °F

  • Average October

    54.9 °F

  • Highest 4 October, 2026

    88.2 °F

Climate (2021–2026)

Grant County Regional Airport (35.4 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    62.1 °F
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