Potomac River - Swan Creek Entrance Rainfall Forecast

Today 20 Aug
25%
Thu 21 Aug
25%
Fri 22 Aug
No Rain
Sat 23 Aug
5%
Sun 24 Aug
50%
Mon 25 Aug
40%
Tue 26 Aug
5%

Potomac River - Swan Creek Entrance Rainfall Statistics

August Rainfall

Fort Belvoir (8.1 miles)

Total Rainfall 2025
22.7in
Daily Average 2025
0.1in
Wettest Day 31 July, 2025
1.6in
Wet Days 2025
73/232 (31%)
Total Rainfall July
6.6in
Daily Average July
0.2in
Wettest Day 31 July, 2025
1.6in
Wet Days July
13/31 (42%)
Total Rainfall August
0.3in
Daily Average August
0.02in
Wettest Day 14 August, 2025
0.1in
Wet Days August
4/20 (20%)

Climate (2010–Present)

Fort Belvoir (8.1 miles)

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Annual Average 2020–2024
34.8in
Monthly Average 2020–2025
3in
Daily Average 2020–2025
0.1in
Wettest Day 22 December, 2021
3.2in

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