All data are in degrees Fahrenheit

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Water temperature in Delaware City

Detailed information about the current water temperature in Delaware 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 Delaware City now

32.0

°F

February 4, 20:44

Trend:

stable

Yesterday:

32.0°F

Tomorrow:

32.1°F

Sunrise:

07:07

Sunset:

17:26

Day Length:

10 h. 19 min.

Delaware City in February

Minimum:

37.0°F

Average:

40.3°F

Maximum:

44.5°F

Sea water temperature in Delaware City today

As of now, in Delaware City, the water temperature is 32.0°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 4.5°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

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 40.0°F on 2023, while the historical minimum was 33.7°F on 2019.

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 31.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Delaware City

Date Current Year

actual* / forecast**

last year 10 years average
Jan 21 35.8°F 33.4°F 36.5°F
Jan 22 35.4°F 33.5°F 36.5°F
Jan 23 35.3°F 33.5°F 36.4°F
Jan 24 35.5°F 32.0°F 36.3°F
Jan 25 34.6°F 32.2°F 36.2°F
Jan 26 34.6°F 32.3°F 36.2°F
Jan 27 32.9°F 32.5°F 36.2°F
Jan 28 32.7°F 33.2°F 36.4°F
Jan 29 32.5°F 32.8°F 36.3°F
Jan 30 32.0°F 34.2°F 36.3°F
Jan 31 32.0°F 33.4°F 36.3°F
Feb 1 32.0°F 33.5°F 36.0°F
Feb 2 32.0°F 34.9°F 36.3°F
Feb 3 32.0°F 34.8°F 36.1°F
Feb 4 32.0°F 34.6°F 36.5°F
Feb 5 32.1°F 35.8°F 36.5°F
Feb 6 32.0°F 35.2°F 36.5°F
Feb 7 31.6°F 34.8°F 36.0°F
Feb 8 31.6°F 34.2°F 36.1°F
Feb 9 32.0°F 33.2°F 36.5°F
Feb 10 32.1°F 33.5°F 36.5°F
Feb 11 32.2°F 36.3°F 36.6°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 Delaware City by month

In Delaware City, the months July through September offer comfortable swimming conditions, which amounts to 96 swimming days.
The warmest water in Delaware City was recorded on July 12, 2024, reaching a 86.5°F. While the coldest temperature occurred on January 24, 2025, dipping to 32.0°F. The average readings by season are 39.5°F in Winter, 52.7°F in Spring, 77.8°F in Summer, and 64.9°F in Autumn.