Current sea water temperature:
+36.7°F
| Minimum sea water temperature in March: | 45.5°F |
| Maximum sea water temperature in March: | 31.6°F |
| Average sea water temperature in March: | 39.8°F |
| more information | |
14 days
forecast
forecast
| New Haven |
monthly
weather
weather
| New Haven |
Sea water temperature for the last 10 days:
| March 16 | 36.7°F | March 11 | 38.5°F |
| March 15 | 37.0°F | March 10 | 36.0°F |
| March 14 | 36.9°F | March 9 | 33.1°F |
| March 13 | 37.2°F | March 8 | 32.4°F |
| March 12 | 39.6°F | March 7 | 32.0°F |
Monthly sea water temperature, °F
When is the warmest sea in New Haven?
Based on the data about daily sea water temperature for the last three years the warmest sea in New Haven was noticed in August, July and September.
Monthly Sea Temperatures in New Haven, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 76.5°F and 70.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 72.7°F. The highest and lowest sea temperatures during the month were 76.6°F and 67.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 70.6°F. The highest and lowest sea temperatures during the month were 72.9°F and 69.3°F.
current
weather
weather
| New Haven |
weather in
March
March
| New Haven |
Best time for vacation in New Haven
New Haven on a weather map
Places in USA:
Name
°F
24 Hours Forecast
New Haven
Local time: 00:27
March 17, tuesday
0300
45°F
E
16 mph
16 mph
0600
36°F
E
18 mph
18 mph
0900
34°F
E
17 mph
17 mph
1200
37°F
E
15 mph
15 mph
1500
39°F
E
15 mph
15 mph
1800
36°F
E
14 mph
14 mph
2100
32°F
SE
14 mph
14 mph
March 18, wednesday
0000
28°F
E
11 mph
11 mph
