Fairfax Rainfall Forecast

Today 18 Oct
10%
Sun 19 Oct
20%
Mon 20 Oct
95%
Tue 21 Oct
5%
Wed 22 Oct
20%
Thu 23 Oct
5%
Fri 24 Oct
5%

Fairfax Rainfall Statistics

October Rainfall

Washington/Dulles International Airport, DC (9.3 miles)

Total Rainfall 2025
26.3in
Daily Average 2025
0.1in
Wettest Day 13 May, 2025
1.7in
Wet Days 2025
101/291 (35%)
Total Rainfall September
1.2in
Daily Average September
0.04in
Wettest Day 16 September, 2025
0.7in
Wet Days September
8/30 (27%)
Total Rainfall October
0.4in
Daily Average October
0.03in
Wettest Day 8 October, 2025
0.1in
Wet Days October
5/18 (28%)

Climate (2010–Present)

Washington/Dulles International Airport, DC (9.3 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