Thames River - Harvard Boathouse Rainfall Forecast

Today 10 Jul
25%
Sat 11 Jul
20%
Sun 12 Jul
No Rain
Mon 13 Jul
No Rain
Tue 14 Jul
No Rain
Wed 15 Jul
15%
Thu 16 Jul
15%

Thames River - Harvard Boathouse Rainfall Statistics

July Rainfall

Groton / New London, Groton / New London Airport (6.2 miles)

Total Rainfall 2026
17.6in
Daily Average 2026
0.1in
Wettest Day 23 June, 2026
2.4in
Wet Days 2026
62/191 (32%)
Total Rainfall June
3.2in
Daily Average June
0.1in
Wettest Day 23 June, 2026
2.4in
Wet Days June
9/30 (30%)
Total Rainfall July
2.8in
Daily Average July
0.4in
Wettest Day 6 July, 2026
1.8in
Wet Days July
5/10 (50%)

Climate (2021–2025)

Groton / New London, Groton / New London Airport (6.2 miles)

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Annual Average 2021–2025
37.8in
Monthly Average 2021–2026
3.1in
Daily Average 2021–2026
0.1in
Wettest Day 11 December, 2024
3in

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