Umatilla National Forest Weather Forecast

    • 53
    • 75

    Patchy Smoke

    • 53
    • 76

    Patchy Smoke

    • 50
    • 74

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 54
    • 73

    Partly Sunny

    • 54
    • 75

    Chance Rain Showers

Today 10 Aug Southern Blue Mountains of Oregon

Sunny. Patchy smoke through the day. Highs in the upper 70s to mid 80s. Gusts up to 20 Mph in the afternoon.

Tonight 10 Aug Southern Blue Mountains of Oregon

Mostly clear. Patchy smoke. Lows in the upper 40s to mid 50s. Gusts up to 20 Mph in the evening.

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  • Temperature Real-Time

Umatilla National Forest Temperature Statistics

August Temperature

Grant County Regional Airport (35.4 miles)

  • Lowest 3 August, 2026

    44.2 °F

  • Average August

    71.3 °F

  • Highest 7 August, 2026

    99.5 °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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