Conley Lake Weather Forecast

    • 39
    • 71

    Mostly Sunny

    • 42
    • 79

    Mostly Sunny

    • 46
    • 85

    Sunny

    • 49
    • 86

    Partly Sunny

    • 51
    • 87

    Partly Sunny

    • 49
    • 87

    Partly Sunny

Today 15 Sep Grande Ronde Valley

Sunny. Patchy fog in the morning. Highs in the lower 70s. Light wind.

Tonight 15 Sep Grande Ronde Valley

Mostly clear. Lows in the upper 30s to lower 40s. North wind 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Conley Lake Temperature Statistics

September Temperature

La Grande/Union County Airport (6.2 miles)

  • Lowest 13 September, 2025

    46 °F

  • Average September

    69.1 °F

  • Highest 2 September, 2025

    100.9 °F

Climate (2020–Present)

La Grande/Union County Airport (6.2 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