What is the current water temperature in Jersey City?

Q: What is the current water temperature in Jersey City?

As of now, in Jersey City, the water temperature is 3.8°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

United States > Jersey City

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.

38.8

°F

January 18, 22:20

Trend:

stable

Yesterday:

38.9°F

Tomorrow:

38.9°F

Sunrise:

07:17

Sunset:

16:57

Day Length:

9 h. 40 min.

Jersey City in January

Minimum:

37.9°F

Average:

42.9°F

Maximum:

48.5°F

Sea water temperature in Jersey City today

As of now, in Jersey City, the water temperature is 38.8°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.1°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 42.9°F on 2016, while the historical minimum was 37.4°F on 2025.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 38.2°F, the minimum temperature may reach 37.9°F, and the maximum might stay at 38.9°F.

Daily water temperature in Jersey City

Date	Current Year actual* / forecast**	last year	10 years average
Jan 4	42.2°F	42.9°F	42.9°F
Jan 5	39.0°F	42.9°F	42.6°F
Jan 6	37.5°F	42.4°F	42.5°F
Jan 7	37.8°F	42.3°F	42.4°F
Jan 8	39.0°F	42.1°F	42.1°F
Jan 9	36.7°F	41.7°F	41.6°F
Jan 10	36.8°F	40.2°F	41.4°F
Jan 11	37.1°F	39.2°F	41.3°F
Jan 12	38.3°F	39.5°F	41.4°F
Jan 13	37.9°F	36.8°F	41.2°F
Jan 14	37.0°F	38.0°F	41.3°F
Jan 15	37.6°F	37.6°F	41.1°F
Jan 16	39.8°F	37.2°F	41.2°F
Jan 17	38.9°F	37.5°F	41.0°F
Jan 18	38.8°F	37.4°F	41.0°F
Jan 19	38.9°F	37.3°F	41.1°F
Jan 20	38.1°F	36.6°F	40.3°F
Jan 21	38.2°F	37.0°F	40.3°F
Jan 22	38.1°F	37.3°F	40.2°F
Jan 23	37.9°F	35.0°F	40.1°F
Jan 24	38.2°F	37.0°F	40.3°F
Jan 25	38.0°F	36.1°F	40.1°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 57 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 42.1°F in Winter, 48.7°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	38.8°F	4mi
Manhattan	38.7°F	7mi
Brooklyn	39.5°F	9mi
Coney Island	40.3°F	11mi
Staten Island	39.0°F	12mi
Queens	40.4°F	13mi
The Bronx	38.3°F	14mi

* current water temperature in this city

** straight line distance from Jersey City