Holly Knoll Park Rainfall Forecast

Today 2 Sep
No Rain
Wed 3 Sep
5%
Thu 4 Sep
35%
Fri 5 Sep
40%
Sat 6 Sep
35%
Sun 7 Sep
25%
Mon 8 Sep
5%

Holly Knoll Park Rainfall Statistics

September Rainfall

Washington/Dulles International Airport, DC (6.8 miles)

Total Rainfall 2025
24.7in
Daily Average 2025
0.1in
Wettest Day 13 May, 2025
1.7in
Wet Days 2025
88/245 (36%)
Total Rainfall August
0.9in
Daily Average August
0.04in
Wettest Day 15 August, 2025
0.3in
Wet Days August
8/31 (26%)
Total Rainfall September
–
Daily Average September
–
Wettest Day 2 September, 2025
–
Wet Days September
–

Climate (2010–Present)

Washington/Dulles International Airport, DC (6.8 miles)

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Annual Average 2020–2024
38.7in
Monthly Average 2020–2025
3.2in
Daily Average 2020–2025
0.1in
Wettest Day 25 October, 2021
2.4in

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