Herndon Rainfall Forecast

Today 1 May
90%
Fri 2 May
70%
Sat 3 May
65%
Sun 4 May
10%
Mon 5 May
No Rain
Tue 6 May
10%
Wed 7 May
25%

Herndon Rainfall Statistics

May Rainfall

Walnut Ridge Regional Airport (16.2 miles)

Total Rainfall 2025
19in
Daily Average 2025
0.2in
Wettest Day 30 January, 2025
4.6in
Wet Days 2025
23/121 (19%)
Total Rainfall April
10in
Daily Average April
0.4in
Wettest Day 5 April, 2025
4.5in
Wet Days April
7/30 (23%)
Total Rainfall May
–
Daily Average May
–
Wettest Day
–
Wet Days May
–

Climate (2010–Present)

Walnut Ridge Regional Airport (16.2 miles)

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Annual Average 2020–2024
37.7in
Monthly Average 2020–2025
3.1in
Daily Average 2020–2025
0.1in
Wettest Day 30 January, 2025
4.6in

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