All data are in degrees Fahrenheit

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Water temperature in Milwaukee

Detailed information about the current water temperature in Milwaukee. 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 Milwaukee now

46.3

°F

May 6, 12:49

Trend:

stable

Yesterday:

46.3°F

Tomorrow:

46.7°F

Sunrise:

05:39

Sunset:

19:58

Day Length:

14 h. 19 min.

Milwaukee in May

Minimum:

34.9°F

Average:

38.3°F

Maximum:

39.9°F

Water temperature in Milwaukee today

As of now, in Milwaukee, the water temperature is 46.3°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 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 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 49.0°F on 2024, while the historical minimum was 38.5°F on 2019.

Over the last two weeks, the water temperature has stayed slightly above 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 47.0°F, with minimum temperature starting at 46.2°F, while the maximum might reach 47.7°F.

Daily water temperature in Milwaukee

Date Current Year

actual* / forecast**

last year 10 years average
Apr 22 42.0°F 42.9°F 40.4°F
Apr 23 43.9°F 42.7°F 40.7°F
Apr 24 44.8°F 42.6°F 41.3°F
Apr 25 45.8°F 43.6°F 41.5°F
Apr 26 44.8°F 42.6°F 41.4°F
Apr 27 43.1°F 44.1°F 41.8°F
Apr 28 43.2°F 44.3°F 41.8°F
Apr 29 45.5°F 44.9°F 41.9°F
Apr 30 44.8°F 46.0°F 42.2°F
May 1 44.4°F 45.2°F 41.8°F
May 2 44.0°F 44.5°F 41.8°F
May 3 44.4°F 44.4°F 42.0°F
May 4 45.2°F 44.9°F 42.7°F
May 5 46.3°F 44.7°F 43.2°F
May 6 46.3°F 45.3°F 43.1°F
May 7 46.7°F 47.4°F 43.4°F
May 8 47.2°F 48.9°F 43.9°F
May 9 47.1°F 47.2°F 43.8°F
May 10 47.0°F 47.1°F 43.7°F
May 11 46.2°F 46.3°F 43.0°F
May 12 46.9°F 47.0°F 43.7°F
May 13 47.7°F 49.5°F 44.5°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 Milwaukee by month

In an average year, Milwaukee offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Milwaukee was recorded on August 5, 2024, reaching a 75.7°F. While the coldest temperature occurred on February 17, 2016, dipping to 32.0°F. The average readings by season are 37.5°F in Winter, 40.2°F in Spring, 64.4°F in Summer, and 56.8°F in Autumn.