James River - Cobham Bay Rainfall Forecast

Today 7 Sep
15%
Tue 8 Sep
No Rain
Wed 9 Sep
No Rain
Thu 10 Sep
15%
Fri 11 Sep
25%
Sat 12 Sep
30%
Sun 13 Sep
20%

James River - Cobham Bay Rainfall Statistics

September Rainfall

Williamsburg-Jamestown Airport (5.6 miles)

Total Rainfall 2026
54.9in
Daily Average 2026
0.2in
Wettest Day 25 May, 2026
3.5in
Wet Days 2026
75/250 (30%)
Total Rainfall August
4.5in
Daily Average August
0.1in
Wettest Day 21 August, 2026
1in
Wet Days August
13/31 (42%)
Total Rainfall September
0.04in
Daily Average September
0.01in
Wettest Day 4 September, 2026
0.04in
Wet Days September
1/7 (14%)

Climate (2021–2025)

Williamsburg-Jamestown Airport (5.6 miles)

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Annual Average 2021–2025
32.6in
Monthly Average 2021–2026
4.5in
Daily Average 2021–2026
0.2in
Wettest Day 16 September, 2025
7.2in

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