Measurements:
°C
°F
CURRENT WEATHER
16:22
New Haven
92°F
N 5 mph
Feels like: 100°F
Precip: 3%
World Resorts USA New Haven Weather

7 Day Weather Forecast

08.05
wed
DAY
88°F
NE 4 mph
precip
6%
NIGHT
76°F
N 4 mph
precip
38%
08.06
thu
DAY
88°F
NE 7 mph
precip
17%
NIGHT
78°F
NE 4 mph
precip
15%
08.07
fri
DAY
90°F
NE 6 mph
precip
4%
NIGHT
76°F
SE 4 mph
precip
31%
08.08
sat
DAY
88°F
NE 9 mph
precip
4%
NIGHT
72°F
NE 5 mph
precip
41%
08.09
sun
DAY
90°F
E 6 mph
precip
3%
NIGHT
80°F
NE 6 mph
precip
7%
08.10
mon
DAY
90°F
NE 7 mph
precip
4%
NIGHT
78°F
E 6 mph
precip
36%
08.11
tue
DAY
84°F
E 6 mph
precip
7%
NIGHT
72°F
SW 5 mph
precip
12%

New Haven Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for New Haven was 23.2°F. The maximum and minimum values were 21.6°F and 24.7°F respectively.

New Haven on the Weather Map

Best Time to Visit New Haven
The most sunny months:
November 16 days
September 14 days
June 14 days
The most warm months:
July 84.5 °F
August 81.9 °F
June 77.5 °F
Warmest sea temperature:
August 77.0 °F
July 75.5 °F
September 73.8 °F
The most cold months:
January 34.2 °F
February 35.2 °F
December 39.4 °F
The most rainy months:
July 3 days
April 3 days
August 3 days
The most windy months:
January 10 mph
November 10 mph
December 10 mph
more details