Measurements:
°C
°F
New Haven
76°F
E 6 mph
Feels like: 80°F
Precip: 6%
World Resorts USA New Haven Weather

7 Day Weather Forecast

08.25
tue
DAY
76°F
NE 11 mph
precip
5%
NIGHT
66°F
SE 7 mph
precip
10%
08.26
wed
DAY
78°F
NE 5 mph
precip
2%
NIGHT
72°F
NE 6 mph
precip
24%
08.27
thu
DAY
82°F
N 9 mph
precip
4%
NIGHT
74°F
NW 4 mph
precip
30%
08.28
fri
DAY
82°F
N 6 mph
precip
5%
NIGHT
68°F
SE 11 mph
precip
26%
08.29
sat
DAY
76°F
SE 3 mph
precip
1%
NIGHT
70°F
NE 2 mph
precip
17%
08.30
sun
DAY
76°F
N 4 mph
precip
7%
NIGHT
72°F
NE 6 mph
precip
45%
08.31
mon
DAY
82°F
SE 6 mph
precip
7%
NIGHT
74°F
S 5 mph
precip
6%

New Haven Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for New Haven was 24.0°F. The maximum and minimum values were 22.8°F and 25.4°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 77.2 °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