Chesapeake Bay - James Island Rainfall Forecast

Today 6 Sep
5%
Mon 7 Sep
10%
Tue 8 Sep
No Rain
Wed 9 Sep
No Rain
Thu 10 Sep
35%
Fri 11 Sep
30%
Sat 12 Sep
10%

Chesapeake Bay - James Island Rainfall Statistics

September Rainfall

Cambridge-Dorchester Airport (16.2 miles)

Total Rainfall 2026
17.6in
Daily Average 2026
0.1in
Wettest Day 10 January, 2026
1.3in
Wet Days 2026
90/249 (36%)
Total Rainfall August
2.1in
Daily Average August
0.1in
Wettest Day 10 August, 2026
0.7in
Wet Days August
12/31 (39%)
Total Rainfall September
0.04in
Daily Average September
0.01in
Wettest Day 2 September, 2026
0.03in
Wet Days September
2/6 (33%)

Climate (2021–2025)

Cambridge-Dorchester Airport (16.2 miles)

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Annual Average 2021–2025
19.6in
Monthly Average 2021–2026
1.5in
Daily Average 2021–2026
0.05in
Wettest Day 23 March, 2024
2.8in

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