Willapa Bay - Grassy Island Rainfall Forecast
- 15%
- No Rain
- No Rain
- No Rain
- No Rain
- 15%
- 30%
Willapa Bay - Grassy Island Rainfall Statistics
September Rainfall
Hoquiam, Bowerman Airport (23.6 miles)
Total Rainfall September
0.8inDaily Average September
0.3inWettest Day 3 September, 2026
0.4inWet Days September
3/5 (60%)
Climate (2021–2025)
Hoquiam, Bowerman Airport (23.6 miles)
Annual Average 2021–2025
66.9inMonthly Average 2021–2026
5.5inDaily Average 2021–2026
0.2inWettest Day 6 January, 2022
5.8in