Grand Lake Saint Marys State Park Rainfall Forecast
- 55%
- No Rain
- No Rain
- No Rain
- 10%
- 25%
- 10%
Grand Lake Saint Marys State Park Rainfall Statistics
September Rainfall
Versailles Darke County Airport (22.4 miles)
Total Rainfall September
0.01inDaily Average September
0.01inWettest Day 1 September, 2026
0.01inWet Days September
1/5 (20%)
Climate (2021–2025)
Versailles Darke County Airport (22.4 miles)
Annual Average 2021–2025
21.2inMonthly Average 2021–2026
1.9inDaily Average 2021–2026
0.1inWettest Day 3 March, 2023
2.9in