Measurements:
°C
°F
CURRENT WEATHER
22:41
New Haven
56°F
S 11 mph
Feels like: 54°F
Precip: 8%
World Resorts USA New Haven Weather

7 Day Weather Forecast

10.26
mon
DAY
64°F
E 5 mph
precip
1%
NIGHT
56°F
S 11 mph
precip
8%
10.27
tue
DAY
56°F
SW 6 mph
precip
2%
NIGHT
48°F
S 4 mph
precip
2%
10.28
wed
DAY
54°F
N 3 mph
precip
7%
NIGHT
56°F
NE 7 mph
precip
20%
10.29
thu
DAY
62°F
NE 11 mph
precip
4%
NIGHT
60°F
NE 10 mph
precip
10%
10.30
fri
DAY
68°F
SE 7 mph
precip
7%
NIGHT
54°F
S 9 mph
precip
13%
10.31
sat
DAY
60°F
SE 2 mph
precip
10%
NIGHT
56°F
NE 2 mph
precip
20%
11.01
sun
DAY
62°F
N 6 mph
precip
8%
NIGHT
56°F
NW 2 mph
precip
17%

New Haven Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for New Haven was 17.4°F. The maximum and minimum values were 14.4°F and 19.7°F respectively.

New Haven on the Weather Map

Best Time to Visit New Haven
The most sunny months:
November 16 days
June 14 days
August 13 days
The most warm months:
July 84.5 °F
August 82.4 °F
June 77.5 °F
Warmest sea temperature:
August 77.1 °F
July 75.5 °F
September 73.7 °F
The most cold months:
January 34.2 °F
February 35.2 °F
December 39.4 °F
The most rainy months:
July 3 days
August 3 days
April 3 days
The most windy months:
January 10 mph
November 10 mph
December 10 mph
more details