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

76.0

°F

September 7, 08:32

Trend:

stable

Yesterday:

75.4°F

Tomorrow:

75.6°F

Sunrise:

06:36

Sunset:

19:24

Day Length:

12 h. 48 min.

Delaware City in September

Minimum:

33.2°F

Average:

39.1°F

Maximum:

42.2°F

Sea water temperature in Delaware City today

As of now, in Delaware City, the water temperature is 76.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.0°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 81.1°F on 2018, while the historical minimum was 73.4°F on 2019.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 75.1°F, the minimum temperature may reach 74.2°F, and the maximum might stay at 76.0°F.

Daily water temperature in Delaware City

Date Current Year

actual* / forecast**

last year 10 years average
Aug 24 77.4°F 76.6°F 79.4°F
Aug 25 77.1°F 76.4°F 79.0°F
Aug 26 77.1°F 76.4°F 78.8°F
Aug 27 76.5°F 78.2°F 78.8°F
Aug 28 76.5°F 78.0°F 78.5°F
Aug 29 75.8°F 78.2°F 78.4°F
Aug 30 76.0°F 77.4°F 78.1°F
Aug 31 75.2°F 76.8°F 77.8°F
Sep 1 75.2°F 76.6°F 77.7°F
Sep 2 75.0°F 77.6°F 77.3°F
Sep 3 74.6°F 78.2°F 76.9°F
Sep 4 74.7°F 77.4°F 76.9°F
Sep 5 74.7°F 76.0°F 76.9°F
Sep 6 75.4°F 76.2°F 77.0°F
Sep 7 76.0°F 75.5°F 76.9°F
Sep 8 75.6°F 75.3°F 76.6°F
Sep 9 76.0°F 75.6°F 76.9°F
Sep 10 75.7°F 73.9°F 76.6°F
Sep 11 75.1°F 73.7°F 76.1°F
Sep 12 74.5°F 73.8°F 75.5°F
Sep 13 74.5°F 74.0°F 75.5°F
Sep 14 74.2°F 74.0°F 75.1°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 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.