Hermiston Rainfall Forecast
- 5%
- 65%
- 85%
- 45%
- 40%
- 20%
- 20%
Hermiston Rainfall Statistics
October Rainfall
Hermiston, Hermiston Municipal Airport (1.2 miles)
Total Rainfall October
0.8inDaily Average October
0.04inWettest Day 13 October, 2025
0.3inWet Days October
5/23 (22%)
Climate (2010–Present)
Hermiston, Hermiston Municipal Airport (1.2 miles)
Annual Average 2020–2024
8.2inMonthly Average 2020–2025
0.8inDaily Average 2020–2025
0.03inWettest Day 5 May, 2024
1.1in