Measurements:
°C
°F
Jersey City
84°F
N 9 mph
Feels like: 90°F
Precip: 14%
World Resorts USA Jersey City Weather

Jersey City Sea Water Temperature

Current Sea Water Temperature:
+78.2°F
Maximum Sea Water Temperature in August: 81.8°F
Minimum Sea Water Temperature in August: 73.6°F
Average water temperature in August: 77.6°F

Sea Water Temperature for the Last 10 Days:

August 05 78.2°F July 31 77.0°F
August 04 77.6°F July 30 76.6°F
August 03 78.2°F July 29 76.0°F
August 02 77.6°F July 28 75.6°F
August 01 76.0°F July 27 74.6°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Jersey City was 76.0°F. The maximum and minimum values were 73.2°F and 79.8°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 89.2 °F
August 85.8 °F
June 82.4 °F
Warmest sea temperature:
August 77.6 °F
July 77.2 °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:
March 9 mph
April 9 mph
January 9 mph

Jersey City on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Jersey City
Local time: 15:18
05 aug, wednesday
1800 82°F
N
9 mph
2100 78°F
N
7 mph
06 aug, thursday
0000 78°F
NE
6 mph
0300 78°F
NE
4 mph
0600 78°F
NE
4 mph
0900 82°F
NE
6 mph
1200 94°F
NE
9 mph
1500 98°F
NE
9 mph