Cumberland Rainfall Forecast
- 10%
- 90%
- 60%
- 10%
- No Rain
- No Rain
- No Rain
Cumberland Rainfall Statistics
September Rainfall
Renton Municipal Airport (19.9 miles)
Total Rainfall September
0.2inDaily Average September
0.02inWettest Day 2 September, 2026
0.1inWet Days September
3/11 (27%)
Climate (2021–2025)
Renton Municipal Airport (19.9 miles)
Annual Average 2021–2025
16.7inMonthly Average 2021–2026
1.5inDaily Average 2021–2026
0.1inWettest Day 28 October, 2021
1.5in