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

33.6

°F

January 1, 04:02

Trend:

decreasing

Yesterday:

34.6°F

Tomorrow:

33.3°F

Sunrise:

08:01

Sunset:

17:10

Day Length:

9 h. 9 min.

Detroit in January

Minimum:

32.2°F

Average:

36.8°F

Maximum:

41.4°F

Water temperature in Detroit today

As of now, in Detroit, the water temperature is 33.6°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 3.2°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 fall a bit.

Recent water temperature and forecast

Today's water temperature is slightly 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 41.4°F on 2024, while the historical minimum was 32.2°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 32.6°F, the minimum temperature may reach 31.9°F, and the maximum might stay at 33.3°F.

Daily water temperature in Detroit

Date Current Year

actual* / forecast**

last year 10 years average
Jan 1 33.6°F 38.9°F 36.8°F
Jan 2 33.3°F 38.6°F 36.5°F
Jan 3 33.2°F 37.8°F 36.4°F
Jan 4 32.8°F 37.5°F 36.0°F
Jan 5 32.7°F 37.4°F 35.9°F
Jan 6 32.4°F 36.4°F 35.6°F
Jan 7 32.3°F 36.1°F 35.4°F
Jan 8 31.9°F 35.6°F 35.1°F
Dec 18 34.5°F 37.5°F 38.0°F
Dec 19 34.6°F 37.5°F 38.1°F
Dec 20 34.7°F 37.4°F 37.8°F
Dec 21 35.0°F 37.8°F 37.6°F
Dec 22 33.7°F 37.4°F 37.1°F
Dec 23 33.5°F 37.3°F 36.8°F
Dec 24 34.3°F 36.8°F 36.5°F
Dec 25 34.1°F 36.2°F 36.5°F
Dec 26 34.4°F 35.7°F 36.3°F
Dec 27 34.1°F 35.1°F 36.2°F
Dec 28 34.3°F 36.2°F 35.9°F
Dec 29 34.4°F 37.7°F 36.1°F
Dec 30 34.5°F 37.6°F 36.5°F
Dec 31 34.6°F 38.2°F 36.7°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, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 39.
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 35.7°F in Winter, 44.0°F in Spring, 70.8°F in Summer, and 58.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Fraser 33.6°F 15mi
Gibraltar 34.3°F 18mi
Lorain 35.1°F 75mi
Sheffield 35.2°F 80mi

* current water temperature in this city

** straight line distance from Detroit