Current sea water temperature:
+39.0°F
| Minimum sea water temperature in March: | 45.5°F |
| Maximum sea water temperature in March: | 33.6°F |
| Average sea water temperature in March: | 41.0°F |
| more information | |
14 days
forecast
forecast
| New London |
monthly
weather
weather
| New London |
Sea water temperature for the last 10 days:
| March 18 | 39.0°F | March 13 | 39.6°F |
| March 17 | 36.9°F | March 12 | 39.7°F |
| March 16 | 37.2°F | March 11 | 37.0°F |
| March 15 | 38.1°F | March 10 | 36.5°F |
| March 14 | 37.2°F | March 9 | 36.1°F |
Monthly sea water temperature, °F
When is the warmest sea in New London?
Based on the data about daily sea water temperature for the last three years the warmest sea in New London was noticed in August, July and September.
Monthly Sea Temperatures in New London, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.4°F. The highest and lowest sea temperatures during the month were 74.1°F and 68.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 70.0°F. The highest and lowest sea temperatures during the month were 72.9°F and 65.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.8°F. The highest and lowest sea temperatures during the month were 71.1°F and 67.8°F.
current
weather
weather
| New London |
weather in
March
March
| New London |
Best time for vacation in New London
New London on a weather map
Places in USA:
Name
°F
24 Hours Forecast
New London
Local time: 17:35
March 18, wednesday
1800

34°F
N
9 mph
9 mph
2100

32°F
N
6 mph
6 mph
March 19, thursday
0000

30°F
N
5 mph
5 mph
0300

30°F
N
4 mph
4 mph
0600

30°F
N
2 mph
2 mph
0900

32°F
NW
5 mph
5 mph
1200

36°F
N
7 mph
7 mph
1500

39°F
N
9 mph
9 mph




























