Grimsby Rainfall Forecast
- 5%
- 70%
- 5%
- 60%
- 55%
- 20%
- 5%
Grimsby Rainfall Statistics
October Rainfall
Southern Illinois Airport (11.2 miles)
Total Rainfall October
1 inDaily Average October
0.04 inWettest Day 1 October, 2026
0.3 inWet Days October
5/31 (16%)
Climate (2021–2025)
Southern Illinois Airport (11.2 miles)
Annual Average 2021–2025
35.3 inMonthly Average 2021–2026
2.8 inDaily Average 2021–2026
0.1 inWettest Day 10 July, 2026
3.1 in