Potomac River - Chapmans Point Rainfall Forecast

Today 15 May
No Rain
Sat 16 May
No Rain
Sun 17 May
15%
Mon 18 May
5%
Tue 19 May
10%
Wed 20 May
45%
Thu 21 May
50%

Potomac River - Chapmans Point Rainfall Statistics

May Rainfall

Fort Belvoir (5.6 miles)

Total Rainfall 2026
7.9in
Daily Average 2026
0.1in
Wettest Day 25 January, 2026
1.3in
Wet Days 2026
37/135 (27%)
Total Rainfall April
0.8in
Daily Average April
0.03in
Wettest Day 5 April, 2026
0.3in
Wet Days April
7/30 (23%)
Total Rainfall May
1.4in
Daily Average May
0.1in
Wettest Day 13 May, 2026
0.6in
Wet Days May
6/15 (40%)

Climate (2010–Present)

Fort Belvoir (5.6 miles)

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Annual Average 2021–2025
32.3in
Monthly Average 2021–2026
2.6in
Daily Average 2021–2026
0.1in
Wettest Day 22 December, 2021
3.2in

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