Umatilla National Forest Weather Forecast

    • 60
    • 81

    Increasing Clouds

    • 57
    • 80

    Partly Sunny

    • 49
    • 75

    Partly Sunny

    • 48
    • 73

    Mostly Sunny

    • 44
    • 65

    Partly Sunny

    • 47
    • 67

    Mostly Sunny

Today 25 Aug Southern Blue Mountains of Oregon

Sunny. Patchy smoke in the morning. Highs in the mid 80s to lower 90s. Gusts up to 20 Mph in the afternoon.

Tonight 25 Aug Southern Blue Mountains of Oregon

Partly cloudy. Patchy smoke. Lows in the mid 50s to lower 60s. Gusts up to 20 Mph in the evening.

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

    73.1 °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

    39.1 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    62.1 °F
Get WillyWeather+ to remove ads