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

70.0

°F

September 19, 13:15

Trend:

decreasing

Yesterday:

70.5°F

Tomorrow:

70.0°F

Sunrise:

07:16

Sunset:

19:35

Day Length:

12 h. 19 min.

Detroit in September

Minimum:

32.5°F

Average:

35.0°F

Maximum:

37.4°F

Water temperature in Detroit today

As of now, in Detroit, the water temperature is 70.0°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is about the same as 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 stay about the same.

Recent water 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 71.7°F on 2021, while the historical minimum was 67.8°F on 2020.

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 69.2°F, the minimum temperature may reach 67.7°F, and the maximum might stay at 70.0°F.

Daily water temperature in Detroit

Date Current Year

actual* / forecast**

last year 10 years average
Sep 5 74.0°F 70.0°F 72.0°F
Sep 6 73.6°F 68.4°F 71.9°F
Sep 7 73.3°F 68.6°F 72.0°F
Sep 8 73.6°F 66.2°F 71.3°F
Sep 9 72.4°F 65.8°F 70.4°F
Sep 10 73.5°F 65.2°F 69.9°F
Sep 11 73.1°F 66.5°F 69.4°F
Sep 12 72.9°F 66.5°F 69.3°F
Sep 13 72.8°F 67.3°F 69.2°F
Sep 14 72.2°F 67.4°F 69.5°F
Sep 15 72.4°F 67.7°F 69.6°F
Sep 16 71.3°F 68.5°F 69.6°F
Sep 17 70.9°F 69.5°F 69.6°F
Sep 18 70.5°F 69.6°F 69.9°F
Sep 19 70.0°F 70.1°F 70.1°F
Sep 20 70.0°F 69.9°F 70.0°F
Sep 21 69.8°F 70.4°F 69.8°F
Sep 22 69.7°F 69.0°F 69.7°F
Sep 23 69.5°F 69.1°F 69.6°F
Sep 24 69.3°F 69.3°F 69.4°F
Sep 25 68.5°F 68.8°F 68.5°F
Sep 26 67.7°F 68.3°F 67.7°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.

Water temperature in Detroit by month

In Detroit, the months July through August offer comfortable swimming conditions, which amounts to 46 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 69.7°F 15mi
Gibraltar 70.0°F 18mi
Lorain 73.3°F 75mi
Sheffield 73.4°F 80mi

* current water temperature in this city

** straight line distance from Detroit