Measurements:
°C
°F
Jersey City
40°F
NW 6 mph
Feels like: 36°F
Precip: 62%
World Resorts USA Jersey City Weather

Jersey City Sea Water Temperature

Current Sea Water Temperature:
+44.4°F
Maximum Sea Water Temperature in April: 54.4°F
Minimum Sea Water Temperature in April: 41.2°F
Average water temperature in April: 48.1°F

Sea Water Temperature for the Last 10 Days:

April 03 44.4°F March 29 40.2°F
April 02 43.2°F March 28 40.6°F
April 01 42.4°F March 27 40.4°F
March 31 42.6°F March 26 38.8°F
March 30 41.6°F March 25 38.2°F

When is the Warmest Sea for Jersey City?

According to our data for the last three years for Jersey City the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Jersey City was 77.6°F. The maximum and minimum values were 74.4°F and 81.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Jersey City was 78.3°F. The maximum and minimum values were 75.4°F and 82.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Jersey City was 73.5°F. The maximum and minimum values were 71.6°F and 75.2°F respectively.

Best Time to Visit Jersey City
The most sunny months:
November 16 days
September 15 days
October 15 days
The most warm months:
July 88.9 °F
August 85.8 °F
June 81.3 °F
Warmest sea temperature:
August 77.6 °F
July 77.4 °F
September 74.2 °F
The most cold months:
January 35.8 °F
February 37.3 °F
December 40.8 °F
The most rainy months:
July 3 days
August 3 days
September 3 days
The most windy months:
April 10 mph
March 9 mph
January 9 mph

Jersey City on the Weather Map

USA Resorts:
NAME
Chicago +46
Hawaii +74
Honolulu +74
Houston +74
Las Vegas +54
Los Angeles +56
Maui +66
Miami +74
Miami Beach +78
New York +40
San Diego +58
San Francisco +50
Sarasota +72
Tampa +72
Washington +48
24 Hours Weather Forecast
Jersey City
Local time: 05:49
03 apr, friday
0600 40°F
NW
6 mph
0900 42°F
NW
5 mph
1200 50°F
NE
6 mph
1500 58°F
NE
12 mph
1800 62°F
NE
12 mph
2100 60°F
N
6 mph
04 apr, saturday
0000 56°F
NE
11 mph
0300 56°F
E
7 mph