La Grande/Union County Airport Weather Forecast
- 35
- 61
Breezy
- 41
- 69
Mostly Cloudy
- 44
- 75
Partly Sunny
- 43
- 73
Chance Rain
- 37
- 55
Rain Showers Likely
- 34
- 53
Chance Rain
Today 18 Apr Grande Ronde Valley
Mostly cloudy in the Morning, becoming partly cloudy. Highs in the lower 60s. Windy. South wind 5 to 15 Mph increasing to 15 to 25 Mph in the afternoon. Gusts up to 35 Mph.
Tonight 18 Apr Grande Ronde Valley
Partly cloudy. Lows in the mid to upper 30s. Breezy. Southeast wind 10 to 20 Mph. Gusts up to 30 Mph in the evening.
La Grande/Union County Airport Temperature Statistics
April Temperature
La Grande/Union County Airport (0 miles)
Lowest 3 April, 2026
28 °FAverage April
48 °FHighest 6 April, 2026
75 °F
Climate (2021–Present)
La Grande/Union County Airport (0 miles)
Average Low 2021–2026
38.4 °FAverage 2021–2026
50.7 °FAverage High 2021–2026
62.8 °F