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

34.7

°F

February 9, 02:39

Trend:

stable

Yesterday:

34.2°F

Tomorrow:

34.4°F

Sunrise:

06:58

Sunset:

17:24

Day Length:

10 h. 26 min.

Jersey City in February

Minimum:

39.5°F

Average:

43.0°F

Maximum:

46.9°F

Sea water temperature in Jersey City today

As of now, in Jersey City, the water temperature is 34.7°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 4.4°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 reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 42.0°F on 2023, while the historical minimum was 36.6°F on 2025.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 34.8°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
Jan 26 37.6°F 35.9°F 39.6°F
Jan 27 37.1°F 36.1°F 39.3°F
Jan 28 33.8°F 37.8°F 39.1°F
Jan 29 34.9°F 38.2°F 39.2°F
Jan 30 34.5°F 38.7°F 39.3°F
Jan 31 34.1°F 37.5°F 38.9°F
Feb 1 34.5°F 37.6°F 38.7°F
Feb 2 32.3°F 39.1°F 38.7°F
Feb 3 34.1°F 38.4°F 38.8°F
Feb 4 34.5°F 38.3°F 38.9°F
Feb 5 33.9°F 38.1°F 38.6°F
Feb 6 33.9°F 38.2°F 38.7°F
Feb 7 34.9°F 38.2°F 38.3°F
Feb 8 34.2°F 38.4°F 38.6°F
Feb 9 34.7°F 36.6°F 39.1°F
Feb 10 34.4°F 36.8°F 38.9°F
Feb 11 34.9°F 37.9°F 39.3°F
Feb 12 35.0°F 39.5°F 39.5°F
Feb 13 35.0°F 39.1°F 39.4°F
Feb 14 34.9°F 39.7°F 39.3°F
Feb 15 34.6°F 36.4°F 39.1°F
Feb 16 34.8°F 36.8°F 39.2°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 2, 2026, dipping to 32.3°F. The average readings by season are 42.0°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 34.7°F 4mi
Manhattan 34.3°F 7mi
Brooklyn 34.4°F 9mi
Coney Island 34.6°F 11mi
Staten Island 33.8°F 12mi
Queens 34.8°F 13mi
The Bronx 33.4°F 14mi

* current water temperature in this city

** straight line distance from Jersey City