Erwin Rainfall Forecast
- 80%
- 75%
- 40%
- 15%
- 20%
- 15%
- 10%
Erwin Rainfall Statistics
September Rainfall
Watertown, Watertown Municipal Airport (32.3 miles)
Total Rainfall September
0.2inDaily Average September
0.02inWettest Day 12 September, 2025
0.1inWet Days September
5/17 (29%)
Climate (2010–Present)
Watertown, Watertown Municipal Airport (32.3 miles)
Annual Average 2020–2024
21.9inMonthly Average 2020–2025
2inDaily Average 2020–2025
0.1inWettest Day 9 October, 2021
2.2in