Barnstable Harbor - Tupper Island Rainfall Forecast

Today 7 Sep
10%
Tue 8 Sep
No Rain
Wed 9 Sep
No Rain
Thu 10 Sep
30%
Fri 11 Sep
30%
Sat 12 Sep
5%
Sun 13 Sep
10%

Barnstable Harbor - Tupper Island Rainfall Statistics

September Rainfall

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

Total Rainfall 2026
22.5in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
2.4in
Wet Days 2026
83/250 (33%)
Total Rainfall August
1.8in
Daily Average August
0.1in
Wettest Day 21 August, 2026
0.6in
Wet Days August
8/31 (26%)
Total Rainfall September
0.9in
Daily Average September
0.2in
Wettest Day 3 September, 2026
0.8in
Wet Days September
2/7 (29%)

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
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 8 August, 2023
3.8in

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