Manassas Rainfall Forecast

Today 13 Sep
No Rain
Sun 14 Sep
No Rain
Mon 15 Sep
5%
Tue 16 Sep
15%
Wed 17 Sep
35%
Thu 18 Sep
30%
Fri 19 Sep
10%

Manassas Rainfall Statistics

September Rainfall

Manassas, Manassas Regional Airport/Harry P. Davis Field (3.1 miles)

Total Rainfall 2025
9.9in
Daily Average 2025
0.04in
Wettest Day 16 July, 2025
1.6in
Wet Days 2025
72/256 (28%)
Total Rainfall August
0.4in
Daily Average August
0.01in
Wettest Day 17 August, 2025
0.3in
Wet Days August
4/31 (13%)
Total Rainfall September
0.03in
Daily Average September
0in
Wettest Day 6 September, 2025
0.02in
Wet Days September
2/13 (15%)

Climate (2010–Present)

Manassas, Manassas Regional Airport/Harry P. Davis Field (3.1 miles)

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Annual Average 2020–2024
21.4in
Monthly Average 2020–2025
1.6in
Daily Average 2020–2025
0.1in
Wettest Day 25 October, 2021
1.9in

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