Washington Dulles International Airport Rainfall Forecast

Today 8 May
10%
Sat 9 May
35%
Sun 10 May
15%
Mon 11 May
75%
Tue 12 May
5%
Wed 13 May
55%
Thu 14 May
40%

Washington Dulles International Airport Rainfall Statistics

May Rainfall

Washington/Dulles International Airport, DC (0.6 miles)

Total Rainfall 2026
10.3in
Daily Average 2026
0.1in
Wettest Day 25 January, 2026
1.8in
Wet Days 2026
36/128 (28%)
Total Rainfall April
1.7in
Daily Average April
0.1in
Wettest Day 5 April, 2026
0.6in
Wet Days April
7/30 (23%)
Total Rainfall May
0.01in
Daily Average May
0in
Wettest Day 1 May, 2026
0.01in
Wet Days May
1/8 (13%)

Climate (2010–Present)

Washington/Dulles International Airport, DC (0.6 miles)

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Annual Average 2021–2025
34.9in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 25 October, 2021
2.4in

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