Potomac River - Swan Creek Entrance Rainfall Forecast

Today 30 Aug
20%
Mon 31 Aug
20%
Tue 1 Sep
20%
Wed 2 Sep
10%
Thu 3 Sep
35%
Fri 4 Sep
40%
Sat 5 Sep
30%

Potomac River - Swan Creek Entrance Rainfall Statistics

August Rainfall

Fort Belvoir (8.1 miles)

Total Rainfall 2026
21.4in
Daily Average 2026
0.1in
Wettest Day 2 August, 2026
2in
Wet Days 2026
73/242 (30%)
Total Rainfall July
3.8in
Daily Average July
0.1in
Wettest Day 21 July, 2026
1.4in
Wet Days July
10/31 (32%)
Total Rainfall August
5.5in
Daily Average August
0.2in
Wettest Day 2 August, 2026
2in
Wet Days August
9/30 (30%)

Climate (2021–2025)

Fort Belvoir (8.1 miles)

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Annual Average 2021–2025
32.3in
Monthly Average 2021–2026
2.7in
Daily Average 2021–2026
0.1in
Wettest Day 22 December, 2021
3.2in

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