Potomac River - Weir Creek Entrance Rainfall Forecast

Today 12 Aug
30%
Thu 13 Aug
20%
Fri 14 Aug
55%
Sat 15 Aug
55%
Sun 16 Aug
25%
Mon 17 Aug
45%
Tue 18 Aug
25%

Potomac River - Weir Creek Entrance Rainfall Statistics

August Rainfall

St Marys County Airport (19.9 miles)

Total Rainfall 2026
10.4in
Daily Average 2026
0.05in
Wettest Day 22 July, 2026
1.9in
Wet Days 2026
48/224 (21%)
Total Rainfall July
4.6in
Daily Average July
0.1in
Wettest Day 22 July, 2026
1.9in
Wet Days July
10/31 (32%)
Total Rainfall August
0.9in
Daily Average August
0.1in
Wettest Day 10 August, 2026
0.7in
Wet Days August
3/12 (25%)

Climate (2021–2025)

St Marys County Airport (19.9 miles)

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

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