What is the current water temperature in Delaware City?

Q: What is the current water temperature in Delaware City?

As of now, in Delaware City, the water temperature is 3.52°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.

United States > Delaware City

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.

38.3

°F

December 19, 20:24

Trend:

stable

Yesterday:

37.6°F

Tomorrow:

37.4°F

Sunrise:

07:18

Sunset:

16:41

Day Length:

9 h. 23 min.

Delaware City in December

Minimum:

35.3°F

Average:

38.8°F

Maximum:

43.0°F

Sea water temperature in Delaware City today

As of now, in Delaware City, the water temperature is 38.3°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 5.3°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 considerably.

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 51.6°F on 2015, while the historical minimum was 40.9°F on 2018.

latest data

last year

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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 36.9°F, the minimum temperature may reach 36.4°F, and the maximum might stay at 37.4°F.

Daily water temperature in Delaware City

Date	Current Year actual* / forecast**	last year	10 years average
Dec 5	44.8°F	46.9°F	46.7°F
Dec 6	44.7°F	44.3°F	45.9°F
Dec 7	44.5°F	42.2°F	45.5°F
Dec 8	43.0°F	42.2°F	45.2°F
Dec 9	42.2°F	42.3°F	44.9°F
Dec 10	41.8°F	43.1°F	44.8°F
Dec 11	41.8°F	42.7°F	44.3°F
Dec 12	41.3°F	42.5°F	44.3°F
Dec 13	39.6°F	43.0°F	43.9°F
Dec 14	40.2°F	42.5°F	43.9°F
Dec 15	40.1°F	42.1°F	43.6°F
Dec 16	39.4°F	41.0°F	43.4°F
Dec 17	39.1°F	40.6°F	42.9°F
Dec 18	37.6°F	39.8°F	43.1°F
Dec 19	38.3°F	41.2°F	43.6°F
Dec 20	37.4°F	41.5°F	42.6°F
Dec 21	37.2°F	41.4°F	42.5°F
Dec 22	36.8°F	41.6°F	42.0°F
Dec 23	36.7°F	41.1°F	42.0°F
Dec 24	37.0°F	40.2°F	42.3°F
Dec 25	36.9°F	39.2°F	42.2°F
Dec 26	36.4°F	39.3°F	41.7°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.