Chantilly Rainfall Forecast

Today 18 Mar
20%
Thu 19 Mar
5%
Fri 20 Mar
15%
Sat 21 Mar
20%
Sun 22 Mar
20%
Mon 23 Mar
25%
Tue 24 Mar
15%

Chantilly Rainfall Statistics

March Rainfall

Washington/Dulles International Airport, DC (2.5 miles)

Total Rainfall 2026
7.1in
Daily Average 2026
0.1in
Wettest Day 25 January, 2026
1.8in
Wet Days 2026
22/77 (29%)
Total Rainfall February
2.6in
Daily Average February
0.1in
Wettest Day 20 February, 2026
0.9in
Wet Days February
6/28 (21%)
Total Rainfall March
1.3in
Daily Average March
0.1in
Wettest Day 12 March, 2026
0.5in
Wet Days March
9/18 (50%)

Climate (2010–Present)

Washington/Dulles International Airport, DC (2.5 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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