All data are in degrees Fahrenheit

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Water temperature in Jersey City

Detailed information about the current water temperature in Jersey City. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Jersey City now

72.2

°F

September 17, 22:21

Trend:

decreasing

Yesterday:

72.4°F

Tomorrow:

71.8°F

Sunrise:

06:39

Sunset:

19:02

Day Length:

12 h. 23 min.

Jersey City in September

Minimum:

40.1°F

Average:

42.0°F

Maximum:

43.5°F

Sea water temperature in Jersey City today

As of now, in Jersey City, the water temperature is 72.2°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is about the same as the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 73.5°F on 2018, while the historical minimum was 70.5°F on 2017.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 71.4°F, the minimum temperature may reach 70.8°F, and the maximum might stay at 72.0°F.

Daily water temperature in Jersey City

Date Current Year

actual* / forecast**

last year 10 years average
Sep 3 70.5°F 72.5°F 73.2°F
Sep 4 70.6°F 72.2°F 73.1°F
Sep 5 71.5°F 70.6°F 73.3°F
Sep 6 72.7°F 70.9°F 73.6°F
Sep 7 72.7°F 70.2°F 73.5°F
Sep 8 71.8°F 71.8°F 73.5°F
Sep 9 71.4°F 71.9°F 73.3°F
Sep 10 71.0°F 70.6°F 73.2°F
Sep 11 71.0°F 70.4°F 73.1°F
Sep 12 70.5°F 70.2°F 72.5°F
Sep 13 70.8°F 70.6°F 72.4°F
Sep 14 71.3°F 70.0°F 72.4°F
Sep 15 71.6°F 70.6°F 72.4°F
Sep 16 72.4°F 71.1°F 72.7°F
Sep 17 72.2°F 70.8°F 72.2°F
Sep 18 71.8°F 70.7°F 71.8°F
Sep 19 72.0°F 70.5°F 72.0°F
Sep 20 71.9°F 71.4°F 72.0°F
Sep 21 71.6°F 71.6°F 71.7°F
Sep 22 71.2°F 70.8°F 71.3°F
Sep 23 70.9°F 70.1°F 70.9°F
Sep 24 70.8°F 69.8°F 70.8°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Jersey City by month

In Jersey City, the months July through August offer comfortable swimming conditions, which amounts to 58 swimming days.
The warmest water in Jersey City was recorded on July 31, 2025, reaching a 79.4°F. While the coldest temperature occurred on February 23, 2025, dipping to 34.0°F. The average readings by season are 42.3°F in Winter, 48.5°F in Spring, 71.9°F in Summer, and 63.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
New York City 72.2°F 4mi
Manhattan 71.9°F 7mi
Brooklyn 71.8°F 9mi
Coney Island 72.0°F 11mi
Staten Island 72.3°F 12mi
Queens 71.3°F 13mi
The Bronx 71.5°F 14mi

* current water temperature in this city

** straight line distance from Jersey City