Lower Monumental State Airport Weather Forecast
- 38
- 63
Mostly Cloudy
- 32
- 54
Chance Rain
- 29
- 51
Mostly Sunny
- 40
- 56
Mostly Cloudy
- 36
- 54
Rain Likely
- 35
- 56
Chance Rain
Today 28 Mar Lower Columbia Basin of Washington
Mostly cloudy. Highs in the 60s. Southwest wind 5 to 15 Mph.
Tonight 28 Mar Lower Columbia Basin of Washington
Partly cloudy. Lows in the upper 30s to lower 40s. West wind 5 to 15 Mph.
Lower Monumental State Airport Temperature Statistics
March Temperature
Walla Walla Regional Airport (33.6 miles)
Lowest 15 March, 2026
31.6 °FAverage March
50.4 °FHighest 19 March, 2026
76.6 °F
Climate (2021–Present)
Walla Walla Regional Airport (33.6 miles)
Average Low 2021–2026
45.5 °FAverage 2021–2026
54.9 °FAverage High 2021–2026
64.5 °F