Umatilla National Forest Weather Forecast

    • 30
    • 38

    Slight Chance Snow Showers

    • 33
    • 45

    Mostly Cloudy

    • 32
    • 43

    Mostly Cloudy

    • 30
    • 43

    Snow Showers Likely

    • 28
    • 36

    Slight Chance Snow Showers

    • 33
    • 44

    Mostly Cloudy

Today 28 Oct Southern Blue Mountains of Oregon

Mostly sunny with a chance of rain and high mountain snow Showers. Snow level 5000 feet. Highs in the 40s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 50 percent.

Tonight 28 Oct Southern Blue Mountains of Oregon

Mostly cloudy. A 20 percent chance of rain and high mountain snow Showers in the evening. Snow level 5000 feet. Lows in the upper 20s to lower 30s. Gusts up to 25 Mph in the evening.

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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

    53.7 °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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