Potomac River - Medleys Creek Entrance Rainfall Forecast

Today 19 Oct
No Rain
Tue 20 Oct
No Rain
Wed 21 Oct
5%
Thu 22 Oct
5%
Fri 23 Oct
No Rain
Sat 24 Oct
5%
Sun 25 Oct
5%

Potomac River - Medleys Creek Entrance Rainfall Statistics

October Rainfall

St Marys County Airport (8.1 miles)

Total Rainfall 2026
17.8 in
Daily Average 2026
0.1 in
Wettest Day 11 October, 2026
2.1 in
Wet Days 2026
68/292 (23%)
Total Rainfall September
2.1 in
Daily Average September
0.1 in
Wettest Day 4 September, 2026
1.4 in
Wet Days September
6/30 (20%)
Total Rainfall October
4.6 in
Daily Average October
0.3 in
Wettest Day 11 October, 2026
2.1 in
Wet Days October
6/19 (32%)

Climate (2021–2025)

St Marys County Airport (8.1 miles)

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Annual Average 2021–2025
41 in
Monthly Average 2021–2026
3.3 in
Daily Average 2021–2026
0.1 in
Wettest Day 23 March, 2024
12.2 in

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