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

August 31, 04:19

Trend:

stable

Yesterday:

72.0°F

Tomorrow:

71.9°F

Sunrise:

06:22

Sunset:

19:31

Day Length:

13 h. 9 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 2.8°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 78.1°F on 2018, while the historical minimum was 70.8°F on 2017.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 71.0°F, the minimum temperature may reach 70.6°F, and the maximum might stay at 71.9°F.

Daily water temperature in Jersey City

Date Current Year

actual* / forecast**

last year 10 years average
Aug 17 76.9°F 74.7°F 75.6°F
Aug 18 76.2°F 74.8°F 75.6°F
Aug 19 77.3°F 75.6°F 75.7°F
Aug 20 75.3°F 75.0°F 75.2°F
Aug 21 74.8°F 74.5°F 75.3°F
Aug 22 73.3°F 73.2°F 74.9°F
Aug 23 73.5°F 72.5°F 74.8°F
Aug 24 73.5°F 71.5°F 74.4°F
Aug 25 73.2°F 71.8°F 74.7°F
Aug 26 73.2°F 71.2°F 74.5°F
Aug 27 72.9°F 72.2°F 74.7°F
Aug 28 72.2°F 72.4°F 74.5°F
Aug 29 71.9°F 73.9°F 74.8°F
Aug 30 72.0°F 74.2°F 74.6°F
Aug 31 72.2°F 73.7°F 74.9°F
Sep 1 71.9°F 73.5°F 74.6°F
Sep 2 71.0°F 73.3°F 73.8°F
Sep 3 70.8°F 72.5°F 73.5°F
Sep 4 70.6°F 72.2°F 73.3°F
Sep 5 70.8°F 70.6°F 73.5°F
Sep 6 70.9°F 70.9°F 73.7°F
Sep 7 70.8°F 70.2°F 73.6°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 61 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 63.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
New York City 72.2°F 4mi
Manhattan 71.8°F 7mi
Brooklyn 71.3°F 9mi
Coney Island 71.1°F 11mi
Staten Island 72.1°F 12mi
Queens 71.0°F 13mi
The Bronx 71.0°F 14mi

* current water temperature in this city

** straight line distance from Jersey City