0.2in

Rain Today

Rain Last Hour
0in

Recorded at Washington/Dulles International Airport, DC Updated 32 mins ago (2.3 miles away)

Get WillyWeather+ to remove ads

Real-Time Extremes

Hottest 96.7 °F
Phoenix, Phoenix Sky Harbor International Airport, AZ
Coldest 28.3 °F
Anaktuvuk Pass, Anaktuvuk Pass Airport, AK
Windiest 26.4mph
Skagway, AK
Wettest (Last Hour) 0.2in
Hutchinson, Hutchinson Municipal Airport, KS
Most Humid 100%
Sioux County Regional Airport, IA
Least Humid 9%
Mount Washington, NH
Highest Pressure 1037.3 hPa
Salida - Monarch Pass, CO
Lowest Pressure 989.2 hPa
Shemya, Eareckson AFB, AK

Trending Locations

Get WillyWeather+ to remove ads

Chantilly Highlands Rainfall Forecast

Today 18 Sep
15%
Fri 19 Sep
5%
Sat 20 Sep
5%
Sun 21 Sep
10%
Mon 22 Sep
5%
Tue 23 Sep
10%
Wed 24 Sep
20%

Chantilly Highlands Rainfall Statistics

September Rainfall

Washington/Dulles International Airport, DC (1.9 miles)

Total Rainfall 2025
24.8in
Daily Average 2025
0.1in
Wettest Day 13 May, 2025
1.7in
Wet Days 2025
92/261 (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
4/18 (22%)

Climate (2010–Present)

Washington/Dulles International Airport, DC (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

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

Get WillyWeather+ to remove ads