0in

Rain Today

Rain Last Hour
0in

Recorded at Plymouth Municipal Airport Updated 30 mins ago (6.6 miles away)

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Real-Time Extremes

Hottest 103.9 °F
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Coldest 30.1 °F
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Windiest 36.9mph
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Wettest (Last Hour) 1.1in
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Most Humid 100%
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Least Humid 5%
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Highest Pressure 1039.6 hPa
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Lowest Pressure 1001.4 hPa
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Groton Rainfall Forecast

Today 4 Sep
35%
Sat 5 Sep
65%
Sun 6 Sep
35%
Mon 7 Sep
No Rain
Tue 8 Sep
No Rain
Wed 9 Sep
50%
Thu 10 Sep
70%

Groton Rainfall Statistics

September Rainfall

Plymouth Municipal Airport (6.2 miles)

Total Rainfall 2026
41.5in
Daily Average 2026
0.2in
Wettest Day 14 May, 2026
4.4in
Wet Days 2026
82/247 (33%)
Total Rainfall August
4.8in
Daily Average August
0.2in
Wettest Day 23 August, 2026
1.8in
Wet Days August
9/31 (29%)
Total Rainfall September
0.1in
Daily Average September
0.04in
Wettest Day 2 September, 2026
0.1in
Wet Days September
1/4 (25%)

Climate (2021–2025)

Plymouth Municipal Airport (6.2 miles)

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Annual Average 2021–2025
50.8in
Monthly Average 2021–2026
4.6in
Daily Average 2021–2026
0.2in
Wettest Day 18 December, 2023
5.3in

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