Wallowa Lake Weather Forecast

    • 55
    • 78

    Mostly Sunny

    • 57
    • 79

    Increasing Clouds

    • 56
    • 79

    Partly Sunny

    • 53
    • 78

    Partly Sunny

    • 45
    • 68

    Partly Sunny

    • 52
    • 73

    Mostly Sunny

    • 54
    • 77

    Chance Rain Showers

Today 17 Sep Wallowa County

Sunny. Highs in the upper 60s to upper 70s, except in the upper 70s to mid 80s Valleys.

Tonight 17 Sep Wallowa County

Mostly clear. Lows in the upper 40s to upper 50s.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Wallowa Lake Temperature Statistics

September Temperature

La Grande/Union County Airport (38.5 miles)

  • Lowest 15 September, 2025

    44.1 °F
  • Average September

    67.6 °F
  • Highest 2 September, 2025

    100.9 °F

Climate (2020–Present)

La Grande/Union County Airport (38.5 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    37.9 °F
  • Average 2020–2025

    50.2 °F
  • Average High 2020–2025

    62.3 °F
Get WillyWeather+ to remove ads