Willapa River - Mailboat Slough Entrance Rainfall Forecast
- 5%
- 75%
- 30%
- 5%
- No Rain
- No Rain
- No Rain
Willapa River - Mailboat Slough Entrance Rainfall Statistics
September Rainfall
Hoquiam, Bowerman Airport (19.9 miles)
Total Rainfall September
0.7inDaily Average September
0.1inWettest Day 2 September, 2026
0.4inWet Days September
3/11 (27%)
Climate (2021–2025)
Hoquiam, Bowerman Airport (19.9 miles)
Annual Average 2021–2025
66.9inMonthly Average 2021–2026
5.5inDaily Average 2021–2026
0.2inWettest Day 6 January, 2022
5.8in