0.2in

Rain Today

Rain Last Hour
0in

Recorded at Washington/Dulles International Airport, DC Updated 1 hour 8 mins ago (6.8 miles away)

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Real-Time Extremes

Hottest 89.5 °F
Gerrard Smith International Airport, FL
Coldest 26.5 °F
Leadville, Lake County Airport, CO
Windiest 35.6mph
Sitka - Sitka Airport, AK
Wettest (Last Hour) 0.3in
Granite Falls, Granite Falls Municipal Airport/Lenzen-Roe Memorial Field, MN
Most Humid 100%
Juliett, MT
Least Humid 18%
Nellis Air Force Base, NV
Highest Pressure 1037.3 hPa
Salida - Monarch Pass, CO
Lowest Pressure 984.1 hPa
Shemya, Eareckson AFB, AK

Trending Locations

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Holly Knoll Park Rainfall Forecast

Today 17 Sep
70%
Thu 18 Sep
25%
Fri 19 Sep
No Rain
Sat 20 Sep
No Rain
Sun 21 Sep
5%
Mon 22 Sep
5%
Tue 23 Sep
10%

Holly Knoll Park Rainfall Statistics

September Rainfall

Washington/Dulles International Airport, DC (6.8 miles)

Total Rainfall 2025
24.8in
Daily Average 2025
0.1in
Wettest Day 13 May, 2025
1.7in
Wet Days 2025
92/260 (35%)
Total Rainfall August
0.9in
Daily Average August
0.03in
Wettest Day 15 August, 2025
0.3in
Wet Days August
8/31 (26%)
Total Rainfall September
0.2in
Daily Average September
0.01in
Wettest Day 10 September, 2025
0.1in
Wet Days September
4/17 (24%)

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
3.1in
Daily Average 2020–2025
0.1in
Wettest Day 25 October, 2021
2.4in

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