La Grande Reservoir Weather Forecast
- 34
- 49
Mostly Cloudy
- 40
- 54
Mostly Cloudy
- 37
- 53
Rain
- 24
- 46
Chance Rain/Snow
- 23
- 41
Mostly Sunny
- 31
- 50
Partly Sunny
Today 22 Mar Southern Blue Mountains of Oregon
Mostly sunny. Highs in the 50s.
Tonight 22 Mar Southern Blue Mountains of Oregon
Mostly cloudy. Lows in the mid to upper 30s.
La Grande Reservoir Temperature Statistics
March Temperature
La Grande/Union County Airport (13.7 miles)
Lowest 3 March, 2026
21.9 °FAverage March
44.8 °FHighest 18 March, 2026
75.9 °F
Climate (2021–Present)
La Grande/Union County Airport (13.7 miles)
Average Low 2021–2026
38.3 °FAverage 2021–2026
50.6 °FAverage High 2021–2026
62.8 °F