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.
Wallowa Lake Temperature Statistics
September Temperature
La Grande/Union County Airport (38.5 miles)
Lowest 15 September, 2025
44.1 °FAverage September
67.6 °FHighest 2 September, 2025
100.9 °F
Climate (2020–Present)
La Grande/Union County Airport (38.5 miles)
Average Low 2020–2025
37.9 °FAverage 2020–2025
50.2 °FAverage High 2020–2025
62.3 °F