Barnstable Harbor - Great Thatch Island Rainfall Forecast

Today 21 Jul
55%
Wed 22 Jul
90%
Thu 23 Jul
45%
Fri 24 Jul
15%
Sat 25 Jul
15%
Sun 26 Jul
20%
Mon 27 Jul
20%

Barnstable Harbor - Great Thatch Island Rainfall Statistics

July Rainfall

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

Total Rainfall 2026
18in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
2.4in
Wet Days 2026
69/202 (34%)
Total Rainfall June
0.9in
Daily Average June
0.03in
Wettest Day 22 June, 2026
0.2in
Wet Days June
7/30 (23%)
Total Rainfall July
4.4in
Daily Average July
0.2in
Wettest Day 7 July, 2026
2.4in
Wet Days July
8/21 (38%)

Climate (2021–2025)

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

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Annual Average 2021–2025
38.8in
Monthly Average 2021–2026
3.2in
Daily Average 2021–2026
0.1in
Wettest Day 8 August, 2023
3.8in

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