All data are in degrees Fahrenheit

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Water temperature in Detroit

Detailed information about the current water temperature in Detroit. 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.
Water temperature in Detroit now

75.7

°F

August 16, 19:20

Trend:

decreasing

Yesterday:

76.6°F

Tomorrow:

75.5°F

Sunrise:

06:40

Sunset:

20:32

Day Length:

13 h. 52 min.

Detroit in August

Minimum:

32.7°F

Average:

35.2°F

Maximum:

38.0°F

Water temperature in Detroit today

As of now, in Detroit, the water temperature is 75.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.4°F higher than the average recorded on this particular day in recent years. The water temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent water 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 78.6°F on 2025, while the historical minimum was 73.1°F on 2023.

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 74.9°F, the minimum temperature may reach 73.7°F, and the maximum might stay at 75.5°F.

Daily water temperature in Detroit

Date Current Year

actual* / forecast**

last year 10 years average
Aug 2 74.9°F 75.0°F 74.5°F
Aug 3 73.4°F 74.3°F 74.5°F
Aug 4 73.5°F 73.2°F 74.7°F
Aug 5 73.1°F 73.8°F 74.6°F
Aug 6 74.0°F 74.3°F 75.3°F
Aug 7 75.5°F 74.6°F 75.5°F
Aug 8 75.5°F 74.5°F 75.2°F
Aug 9 75.9°F 74.2°F 74.9°F
Aug 10 76.4°F 74.1°F 74.8°F
Aug 11 76.0°F 74.6°F 75.3°F
Aug 12 76.7°F 77.6°F 75.5°F
Aug 13 76.7°F 78.0°F 75.6°F
Aug 14 76.6°F 78.9°F 75.9°F
Aug 15 76.6°F 78.2°F 75.8°F
Aug 16 75.7°F 78.6°F 75.3°F
Aug 17 75.5°F 77.6°F 75.1°F
Aug 18 75.2°F 77.4°F 74.8°F
Aug 19 75.1°F 77.7°F 74.8°F
Aug 20 74.9°F 77.3°F 74.5°F
Aug 21 74.9°F 76.9°F 74.6°F
Aug 22 74.7°F 74.6°F 74.3°F
Aug 23 73.7°F 70.6°F 73.3°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.

Water temperature in Detroit by month

In Detroit, the months July through August offer comfortable swimming conditions, which amounts to 48 swimming days.
The warmest water in Detroit was recorded on August 14, 2025, reaching a 78.9°F. While the coldest temperature occurred on January 4, 2018, dipping to 32.0°F. The average readings by season are 35.6°F in Winter, 44.2°F in Spring, 71.1°F in Summer, and 58.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Fraser 77.4°F 15mi
Gibraltar 76.8°F 18mi
Lorain 76.5°F 75mi
Sheffield 76.7°F 80mi

* current water temperature in this city

** straight line distance from Detroit