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

81.4

°F

August 16, 10:02

Trend:

stable

Yesterday:

81.2°F

Tomorrow:

81.1°F

Sunrise:

06:15

Sunset:

19:57

Day Length:

13 h. 42 min.

Delaware City in August

Minimum:

33.7°F

Average:

39.6°F

Maximum:

42.6°F

Sea water temperature in Delaware City today

As of now, in Delaware City, the water temperature is 81.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.0°F higher 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 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 83.2°F on 2016, while the historical minimum was 76.8°F on 2017.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 80.8°F, the minimum temperature may reach 80.3°F, and the maximum might stay at 81.2°F.

Daily water temperature in Delaware City

Date Current Year

actual* / forecast**

last year 10 years average
Aug 2 84.0°F 82.6°F 81.5°F
Aug 3 82.7°F 83.1°F 80.9°F
Aug 4 82.1°F 83.4°F 81.2°F
Aug 5 81.4°F 84.9°F 81.2°F
Aug 6 81.4°F 83.8°F 81.0°F
Aug 7 81.2°F 83.9°F 81.0°F
Aug 8 78.5°F 83.2°F 80.8°F
Aug 9 78.0°F 82.8°F 80.3°F
Aug 10 77.8°F 82.6°F 80.2°F
Aug 11 78.2°F 83.0°F 80.6°F
Aug 12 78.9°F 82.6°F 80.2°F
Aug 13 81.1°F 83.1°F 80.7°F
Aug 14 80.3°F 82.7°F 80.3°F
Aug 15 81.2°F 83.1°F 80.7°F
Aug 16 81.4°F 80.3°F 80.4°F
Aug 17 81.1°F 80.3°F 80.1°F
Aug 18 81.0°F 79.8°F 80.0°F
Aug 19 81.2°F 78.9°F 80.2°F
Aug 20 80.7°F 79.8°F 79.8°F
Aug 21 80.9°F 79.5°F 79.9°F
Aug 22 80.6°F 78.1°F 79.6°F
Aug 23 80.3°F 76.9°F 79.3°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.