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

34.8

°F

March 19, 20:59

Trend:

stable

Yesterday:

34.9°F

Tomorrow:

35.2°F

Sunrise:

07:38

Sunset:

19:43

Day Length:

12 h. 5 min.

Detroit in March

Minimum:

32.2°F

Average:

36.4°F

Maximum:

40.5°F

Water temperature in Detroit today

As of now, in Detroit, the water temperature is 34.8°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 1.9°F lower 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 rise a bit.

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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 40.5°F on 2024, while the historical minimum was 33.2°F on 2019.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 35.7°F, with minimum temperature starting at 35.2°F, while the maximum might reach 36.0°F.

Daily water temperature in Detroit

Date Current Year

actual* / forecast**

last year 10 years average
Mar 5 35.9°F 35.2°F 35.4°F
Mar 6 35.9°F 35.3°F 35.3°F
Mar 7 35.9°F 35.4°F 35.4°F
Mar 8 36.0°F 35.5°F 35.9°F
Mar 9 38.4°F 35.5°F 36.1°F
Mar 10 35.8°F 36.6°F 36.4°F
Mar 11 35.9°F 36.5°F 36.4°F
Mar 12 36.0°F 37.3°F 36.8°F
Mar 13 36.1°F 36.7°F 36.8°F
Mar 14 36.0°F 37.1°F 37.0°F
Mar 15 35.1°F 37.0°F 36.5°F
Mar 16 35.1°F 36.9°F 36.8°F
Mar 17 34.9°F 36.8°F 36.9°F
Mar 18 34.9°F 36.8°F 36.5°F
Mar 19 34.8°F 38.6°F 36.7°F
Mar 20 35.2°F 39.1°F 37.1°F
Mar 21 35.8°F 39.4°F 37.7°F
Mar 22 36.0°F 39.7°F 37.9°F
Mar 23 35.8°F 40.5°F 37.6°F
Mar 24 35.6°F 40.1°F 37.4°F
Mar 25 35.9°F 39.5°F 37.7°F
Mar 26 36.0°F 38.3°F 37.9°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 34.8°F 15mi
Gibraltar 35.1°F 18mi
Lorain 36.4°F 75mi
Sheffield 36.4°F 80mi

* current water temperature in this city

** straight line distance from Detroit