Lower Monumental State Airport Weather Forecast
- 62
- 83
Mostly Cloudy
- 58
- 77
Chance Rain Showers
- 60
- 85
Mostly Sunny
- 62
- 92
Sunny
- 63
- 96
Mostly Sunny
- 60
- 92
Mostly Sunny
Today 20 Jul Lower Columbia Basin of Washington
Mostly cloudy. Highs in the lower to mid 80s. Southwest wind 5 to 15 Mph.
Tonight 20 Jul Lower Columbia Basin of Washington
Cloudy. Lows in the lower to mid 60s. Southwest wind 5 to 10 Mph.
Lower Monumental State Airport Temperature Statistics
July Temperature
Walla Walla Regional Airport (33.6 miles)
Lowest 7 July, 2025
59.6 °FAverage July
78.4 °FHighest 8 July, 2025
101.6 °F
Climate (2020–Present)
Walla Walla Regional Airport (33.6 miles)
Average Low 2020–2025
45 °FAverage 2020–2025
54.5 °FAverage High 2020–2025
64.1 °F