0in

Rain Today

Rain Last Hour
0in

Recorded at Hyannis, Barnstable Municipal-Boardman Airport Updated 1 hour 3 mins ago (3.2 miles away)

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Real-Time Extremes

Hottest 109.3 °F
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Coldest 30.1 °F
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Windiest 46.1mph
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Wettest (Last Hour) 0.6in
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Most Humid 100%
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Least Humid 6%
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Highest Pressure 1037.3 hPa
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Lowest Pressure 993 hPa
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Barnstable Harbor Rainfall Forecast

Today 11 Sep
No Rain
Sat 12 Sep
No Rain
Sun 13 Sep
85%
Mon 14 Sep
10%
Tue 15 Sep
No Rain
Wed 16 Sep
No Rain
Thu 17 Sep
10%

Barnstable Harbor Rainfall Statistics

September Rainfall

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

Total Rainfall 2026
22.6in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
2.4in
Wet Days 2026
84/254 (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
0.1in
Wettest Day 3 September, 2026
0.8in
Wet Days September
3/11 (27%)

Climate (2021–2025)

Hyannis, Barnstable Municipal-Boardman Airport (3.1 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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