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

72.8

°F

July 21, 23:23

Trend:

stable

Yesterday:

73.3°F

Tomorrow:

73.3°F

Sunrise:

05:43

Sunset:

20:22

Day Length:

14 h. 39 min.

Jersey City in July

Minimum:

37.8°F

Average:

42.4°F

Maximum:

46.2°F

Sea water temperature in Jersey City today

As of now, in Jersey City, the water temperature is 72.8°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 3.1°F lower than 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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is slightly 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 79.3°F on 2020, while the historical minimum was 73.9°F on 2024.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 72.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Jersey City

Date Current Year

actual* / forecast**

last year 10 years average
Jul 7 72.9°F 74.0°F 73.5°F
Jul 8 71.7°F 75.5°F 73.3°F
Jul 9 71.4°F 75.2°F 72.8°F
Jul 10 71.7°F 74.9°F 73.0°F
Jul 11 72.4°F 74.7°F 73.6°F
Jul 12 72.4°F 73.1°F 73.5°F
Jul 13 73.2°F 74.2°F 73.9°F
Jul 14 72.8°F 74.7°F 74.3°F
Jul 15 73.5°F 75.3°F 74.6°F
Jul 16 74.5°F 75.8°F 75.0°F
Jul 17 75.3°F 76.7°F 75.5°F
Jul 18 74.6°F 78.0°F 75.4°F
Jul 19 74.4°F 77.6°F 75.5°F
Jul 20 73.3°F 76.9°F 75.5°F
Jul 21 72.8°F 76.9°F 76.0°F
Jul 22 73.3°F 76.4°F 76.4°F
Jul 23 73.0°F 75.1°F 76.2°F
Jul 24 72.6°F 74.8°F 75.7°F
Jul 25 72.4°F 74.4°F 75.5°F
Jul 26 72.6°F 76.1°F 75.8°F
Jul 27 72.3°F 76.5°F 75.5°F
Jul 28 72.5°F 76.4°F 75.6°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 56 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 2, 2026, dipping to 32.3°F. The average readings by season are 41.9°F in Winter, 48.6°F in Spring, 72.0°F in Summer, and 63.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
New York City 72.8°F 4mi
Manhattan 72.7°F 7mi
Brooklyn 72.3°F 9mi
Coney Island 71.9°F 11mi
Staten Island 73.1°F 12mi
Queens 72.6°F 13mi
The Bronx 72.1°F 14mi

* current water temperature in this city

** straight line distance from Jersey City