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

42.4

°F

April 6, 09:34

Trend:

increasing

Yesterday:

40.9°F

Tomorrow:

42.7°F

Sunrise:

07:07

Sunset:

20:03

Day Length:

12 h. 56 min.

Detroit in April

Minimum:

32.0°F

Average:

35.9°F

Maximum:

40.2°F

Water temperature in Detroit today

As of now, in Detroit, the water temperature is 42.4°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 2.9°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent water temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 43.1°F on 2021, while the historical minimum was 36.5°F on 2018.

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 suggests a gradual increase. The average temperature is expected to rise up to 44.0°F, with minimum temperature starting at 42.7°F, while the maximum might reach 45.2°F.

Daily water temperature in Detroit

Date Current Year

actual* / forecast**

last year 10 years average
Mar 23 37.9°F 40.5°F 37.7°F
Mar 24 38.0°F 40.1°F 37.5°F
Mar 25 36.1°F 39.5°F 37.6°F
Mar 26 36.3°F 38.3°F 37.8°F
Mar 27 37.7°F 38.2°F 37.8°F
Mar 28 37.5°F 39.8°F 37.9°F
Mar 29 37.5°F 40.0°F 38.3°F
Mar 30 37.6°F 39.4°F 38.7°F
Mar 31 38.9°F 39.2°F 38.8°F
Apr 1 41.6°F 39.4°F 39.2°F
Apr 2 40.0°F 39.4°F 39.4°F
Apr 3 39.6°F 39.7°F 39.5°F
Apr 4 41.3°F 40.4°F 40.0°F
Apr 5 40.9°F 38.2°F 39.4°F
Apr 6 42.4°F 38.1°F 39.5°F
Apr 7 42.7°F 38.3°F 39.8°F
Apr 8 44.0°F 42.4°F 41.1°F
Apr 9 44.0°F 42.3°F 41.2°F
Apr 10 43.7°F 41.5°F 40.8°F
Apr 11 44.0°F 41.7°F 41.1°F
Apr 12 44.3°F 42.9°F 41.5°F
Apr 13 45.2°F 41.6°F 42.4°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 47 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, 44.1°F in Spring, 71.0°F in Summer, and 58.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Fraser 41.6°F 15mi
Gibraltar 43.3°F 18mi
Lorain 37.8°F 75mi
Sheffield 37.9°F 80mi

* current water temperature in this city

** straight line distance from Detroit