0.01in

Rain Today

Rain Last Hour
0in

Recorded at Hyannis, Barnstable Municipal-Boardman Airport Updated 29 mins ago (4.4 miles away)

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Real-Time Extremes

Hottest 87.7 °F
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Coldest 10.3 °F
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Windiest 49.4mph
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Wettest (Last Hour) 0.6in
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Most Humid 100%
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Least Humid 37%
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Highest Pressure 1031.5 hPa
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Lowest Pressure 966.8 hPa
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South Yarmouth Rainfall Forecast

Today 15 Oct
20%
Thu 16 Oct
50%
Fri 17 Oct
60%
Sat 18 Oct
15%
Sun 19 Oct
15%
Mon 20 Oct
60%
Tue 21 Oct
60%

South Yarmouth Rainfall Statistics

October Rainfall

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

Total Rainfall 2025
26.1in
Daily Average 2025
0.1in
Wettest Day 17 March, 2025
2.5in
Wet Days 2025
78/288 (27%)
Total Rainfall September
1.9in
Daily Average September
0.1in
Wettest Day 24 September, 2025
0.8in
Wet Days September
6/30 (20%)
Total Rainfall October
1.8in
Daily Average October
0.1in
Wettest Day 12 October, 2025
1.1in
Wet Days October
2/15 (13%)

Climate (2010–Present)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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Annual Average 2020–2024
38.5in
Monthly Average 2020–2025
3.3in
Daily Average 2020–2025
0.1in
Wettest Day 8 August, 2023
3.8in

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