Walla Walla Rainfall Forecast
- 5%
- 75%
- 10%
- No Rain
- 5%
- 5%
- 15%
Walla Walla Rainfall Statistics
September Rainfall
Walla Walla Regional Airport (3.1 miles)
Total Rainfall September
0.2inDaily Average September
0.02inWettest Day 11 September, 2025
0.1inWet Days September
2/13 (15%)
Climate (2010–Present)
Walla Walla Regional Airport (3.1 miles)
Annual Average 2020–2024
15.7inMonthly Average 2020–2025
1.2inDaily Average 2020–2025
0.04inWettest Day 5 May, 2024
1.3in