0in

Rain Today

Rain Last Hour
0in

Recorded at Groton / New London, Groton / New London Airport Updated 18 mins ago (1.4 miles away)

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Real-Time Extremes

Hottest 84.1 °F
Yap Island - Yap Int. Airport, AK
Coldest -38.3 °F
Bettles, Bettles Airport, AK
Windiest 98.9mph
Mount Washington, NH
Wettest (Last Hour) 0.1in
Nevada County Air Park, CA
Most Humid 100%
Hobby Field Airport, OR
Least Humid 13%
Fort Carson, CO
Highest Pressure 1037.9 hPa
Atka, Atka Airport, AK
Lowest Pressure 986.1 hPa
Frenchville, Northern Aroostook Regional Airport, ME

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Black Rock Rainfall Forecast

Today 20 Dec
30%
Sun 21 Dec
No Rain
Mon 22 Dec
No Rain
Tue 23 Dec
75%
Wed 24 Dec
15%
Thu 25 Dec
35%
Fri 26 Dec
40%

Black Rock Rainfall Statistics

December Rainfall

Groton / New London, Groton / New London Airport (1.2 miles)

Total Rainfall 2025
28.5in
Daily Average 2025
0.1in
Wettest Day 25 September, 2025
2.2in
Wet Days 2025
84/354 (24%)
Total Rainfall November
0.9in
Daily Average November
0.03in
Wettest Day 30 November, 2025
0.4in
Wet Days November
4/30 (13%)
Total Rainfall December
1in
Daily Average December
0.1in
Wettest Day 2 December, 2025
0.8in
Wet Days December
3/20 (15%)

Climate (2010–Present)

Groton / New London, Groton / New London Airport (1.2 miles)

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Annual Average 2020–2024
39.1in
Monthly Average 2020–2025
3.2in
Daily Average 2020–2025
0.1in
Wettest Day 11 December, 2024
3in

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