Current sea water temperature:
+74.1°F
| Minimum sea water temperature in August: | 78.6°F |
| Maximum sea water temperature in August: | 70.0°F |
| Average sea water temperature in August: | 74.4°F |
| more information | |
14 days
forecast
forecast
| New Haven |
monthly
weather
weather
| New Haven |
Sea water temperature for the last 10 days:
| August 30 | 74.1°F | August 25 | 74.5°F |
| August 29 | 73.8°F | August 24 | 75.4°F |
| August 28 | 74.1°F | August 23 | 74.3°F |
| August 27 | 74.1°F | August 22 | 74.7°F |
| August 26 | 74.1°F | August 21 | 75.9°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 74.9°F. The highest and lowest sea temperatures during the month were 77.7°F and 73.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 71.9°F. The highest and lowest sea temperatures during the month were 74.5°F and 69.8°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
September
September
| 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: 04:06
August 30, sunday
0600
61°F
E
5 mph
5 mph
0900
70°F
E
6 mph
6 mph
1200
79°F
NE
11 mph
11 mph
1500
81°F
NE
14 mph
14 mph
1800
79°F
NE
12 mph
12 mph
2100
73°F
NE
7 mph
7 mph
August 31, monday
0000
66°F
S
6 mph
6 mph
0300
66°F
SE
1 mph
1 mph
