Grand Lake St. Marys SPB Rainfall Forecast

Today 27 Jun
60%
Sun 28 Jun
10%
Mon 29 Jun
5%
Tue 30 Jun
No Rain
Wed 1 Jul
No Rain
Thu 2 Jul
15%
Fri 3 Jul
40%

Grand Lake St. Marys SPB Rainfall Statistics

June Rainfall

Versailles Darke County Airport (23 miles)

Total Rainfall 2026
14.6in
Daily Average 2026
0.1in
Wettest Day 27 May, 2026
1.8in
Wet Days 2026
48/178 (27%)
Total Rainfall May
5.6in
Daily Average May
0.2in
Wettest Day 27 May, 2026
1.8in
Wet Days May
14/31 (45%)
Total Rainfall June
2.7in
Daily Average June
0.1in
Wettest Day 10 June, 2026
0.8in
Wet Days June
8/27 (30%)

Climate (2021–2025)

Versailles Darke County Airport (23 miles)

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Annual Average 2021–2025
21.2in
Monthly Average 2021–2026
1.9in
Daily Average 2021–2026
0.1in
Wettest Day 3 March, 2023
2.9in

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