Grand Lake St. Marys SPB Rainfall Forecast
- 55%
- 25%
- No Rain
- No Rain
- 10%
- 25%
- 10%
Grand Lake St. Marys SPB Rainfall Statistics
August Rainfall
Versailles Darke County Airport (23 miles)
Total Rainfall August
8.2inDaily Average August
0.4inWettest Day 1 August, 2026
1.8inWet Days August
13/22 (59%)
Climate (2021–2025)
Versailles Darke County Airport (23 miles)
Annual Average 2021–2025
21.2inMonthly Average 2021–2026
1.8inDaily Average 2021–2026
0.1inWettest Day 3 March, 2023
2.9in