Herndon Rainfall Forecast

Today 13 Aug
40%
Fri 14 Aug
45%
Sat 15 Aug
70%
Sun 16 Aug
15%
Mon 17 Aug
70%
Tue 18 Aug
35%
Wed 19 Aug
15%

Herndon Rainfall Statistics

August Rainfall

Bluefield, Mercer County Airport (16.2 miles)

Total Rainfall 2026
30.7in
Daily Average 2026
0.1in
Wettest Day 28 July, 2026
2in
Wet Days 2026
94/225 (42%)
Total Rainfall July
8.8in
Daily Average July
0.3in
Wettest Day 28 July, 2026
2in
Wet Days July
14/31 (45%)
Total Rainfall August
2.5in
Daily Average August
0.2in
Wettest Day 6 August, 2026
1in
Wet Days August
7/13 (54%)

Climate (2021–2025)

Bluefield, Mercer County Airport (16.2 miles)

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Annual Average 2021–2025
39.5in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 29 May, 2023
2.9in

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