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

56.8

°F

November 7, 17:27

Trend:

stable

Yesterday:

56.9°F

Tomorrow:

57.0°F

Sunrise:

06:37

Sunset:

16:54

Day Length:

10 h. 17 min.

Delaware City in November

Minimum:

33.0°F

Average:

39.1°F

Maximum:

44.1°F

Sea water temperature in Delaware City today

As of now, in Delaware City, the water temperature is 56.8°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 1.0°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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 60.3°F on 2024, while the historical minimum was 53.9°F on 2018.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 55.6°F, the minimum temperature may reach 54.2°F, and the maximum might stay at 57.0°F.

Daily water temperature in Delaware City

Date Current Year

actual* / forecast**

last year 10 years average
Oct 24 62.4°F 63.8°F 62.5°F
Oct 25 61.8°F 62.8°F 61.9°F
Oct 26 60.9°F 62.5°F 61.6°F
Oct 27 60.1°F 63.2°F 61.1°F
Oct 28 60.5°F 61.8°F 60.7°F
Oct 29 59.9°F 60.7°F 60.6°F
Oct 30 59.3°F 60.4°F 60.1°F
Oct 31 59.1°F 60.6°F 59.8°F
Nov 1 59.2°F 62.4°F 59.6°F
Nov 2 58.2°F 61.8°F 59.5°F
Nov 3 57.9°F 62.0°F 59.0°F
Nov 4 57.3°F 56.0°F 58.3°F
Nov 5 58.4°F 56.3°F 58.1°F
Nov 6 56.9°F 60.4°F 58.2°F
Nov 7 56.8°F 60.3°F 57.8°F
Nov 8 57.0°F 60.3°F 58.0°F
Nov 9 56.5°F 59.8°F 57.4°F
Nov 10 55.5°F 58.8°F 56.5°F
Nov 11 55.5°F 58.8°F 56.4°F
Nov 12 55.1°F 58.4°F 56.1°F
Nov 13 55.2°F 58.5°F 56.1°F
Nov 14 54.2°F 57.5°F 55.2°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 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 39.6°F in Winter, 52.4°F in Spring, 77.6°F in Summer, and 64.8°F in Autumn.