Potomac River - Fort Washington Light Rainfall Forecast

Today 16 Sep
65%
Wed 17 Sep
80%
Thu 18 Sep
45%
Fri 19 Sep
No Rain
Sat 20 Sep
5%
Sun 21 Sep
10%
Mon 22 Sep
15%

Potomac River - Fort Washington Light Rainfall Statistics

September Rainfall

Fort Belvoir (7.5 miles)

Total Rainfall 2025
24in
Daily Average 2025
0.1in
Wettest Day 31 July, 2025
1.6in
Wet Days 2025
80/259 (31%)
Total Rainfall August
0.4in
Daily Average August
0.01in
Wettest Day 14 August, 2025
0.1in
Wet Days August
6/31 (19%)
Total Rainfall September
1.3in
Daily Average September
0.1in
Wettest Day 7 September, 2025
0.7in
Wet Days September
5/16 (31%)

Climate (2010–Present)

Fort Belvoir (7.5 miles)

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Annual Average 2020–2024
34.8in
Monthly Average 2020–2025
2.9in
Daily Average 2020–2025
0.1in
Wettest Day 22 December, 2021
3.2in

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