Holly Knoll Park Rainfall Forecast

Today 27 May
85%
Thu 28 May
25%
Fri 29 May
No Rain
Sat 30 May
No Rain
Sun 31 May
No Rain
Mon 1 Jun
15%
Tue 2 Jun
35%

Holly Knoll Park Rainfall Statistics

May Rainfall

Washington/Dulles International Airport, DC (6.8 miles)

Total Rainfall 2026
14.8in
Daily Average 2026
0.1in
Wettest Day 25 January, 2026
1.8in
Wet Days 2026
49/147 (33%)
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
4.5in
Daily Average May
0.2in
Wettest Day 24 May, 2026
1.1in
Wet Days May
14/27 (52%)

Climate (2010–Present)

Washington/Dulles International Airport, DC (6.8 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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