0in

Rain Today

Rain Last Hour
0in

Recorded at Groton / New London, Groton / New London Airport Updated 22 mins ago (2.2 miles away)

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Real-Time Extremes

Hottest 100.3 °F
Havasu City Airport, AZ
Coldest 33.7 °F
Stroemfjord, ME
Windiest 35.6mph
Springfield, Comanche National Grassland, CO
Wettest (Last Hour) 0.2in
University of Illinois - Willard, IL
Most Humid 100%
North Palm Beach County General Aviation Airport, FL
Least Humid 16%
Spokane, Spokane International Airport, WA
Highest Pressure 1048.1 hPa
Salida - Monarch Pass, CO
Lowest Pressure 995 hPa
Godthaab / Nuuk, ME

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Groton Rainfall Forecast

Today 22 Aug
30%
Sun 23 Aug
55%
Mon 24 Aug
10%
Tue 25 Aug
No Rain
Wed 26 Aug
5%
Thu 27 Aug
40%
Fri 28 Aug
45%

Groton Rainfall Statistics

August Rainfall

Groton / New London, Groton / New London Airport (1.9 miles)

Total Rainfall 2026
23.8in
Daily Average 2026
0.1in
Wettest Day 23 June, 2026
2.4in
Wet Days 2026
75/234 (32%)
Total Rainfall July
5.6in
Daily Average July
0.2in
Wettest Day 6 July, 2026
1.8in
Wet Days July
11/31 (35%)
Total Rainfall August
3.4in
Daily Average August
0.2in
Wettest Day 3 August, 2026
2.3in
Wet Days August
7/22 (32%)

Climate (2021–2025)

Groton / New London, Groton / New London Airport (1.9 miles)

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Annual Average 2021–2025
37.8in
Monthly Average 2021–2026
3.1in
Daily Average 2021–2026
0.1in
Wettest Day 11 December, 2024
3in

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