Umatilla National Forest Weather Forecast

    • 52
    • 79

    Patchy Smoke

    • 50
    • 72

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 50
    • 76

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

Today 22 Aug Southern Blue Mountains of Oregon

Partly cloudy. Patchy smoke in the morning. Highs in the lower 80s to lower 90s. Gusts up to 25 Mph in the afternoon.

Tonight 22 Aug Southern Blue Mountains of Oregon

Mostly clear. Patchy smoke overnight. Lows in the upper 40s to lower 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • 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

    72.7 °F

  • Highest 7 August, 2026

    99.5 °F

Climate (2021–2026)

Grant County Regional Airport (35.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    62.1 °F
Get WillyWeather+ to remove ads