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

37.2

°F

January 21, 18:37

Trend:

stable

Yesterday:

37.0°F

Tomorrow:

37.1°F

Sunrise:

07:17

Sunset:

16:50

Day Length:

9 h. 33 min.

Milwaukee in January

Minimum:

35.7°F

Average:

38.9°F

Maximum:

41.8°F

Water temperature in Milwaukee today

As of now, in Milwaukee, the water temperature is 37.2°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 0.9°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 maximum temperature for this date. The maximum temperature recorded for this date was 37.6°F on 2022, while the historical minimum was 34.3°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 36.8°F, the minimum temperature may reach 36.6°F, and the maximum might stay at 37.1°F.

Daily water temperature in Milwaukee

Date Current Year

actual* / forecast**

last year 10 years average
Jan 7 38.5°F 39.2°F 37.8°F
Jan 8 38.6°F 38.4°F 37.7°F
Jan 9 38.6°F 37.6°F 37.3°F
Jan 10 38.3°F 37.5°F 37.5°F
Jan 11 38.1°F 37.5°F 37.6°F
Jan 12 37.8°F 37.7°F 37.3°F
Jan 13 37.7°F 37.7°F 37.1°F
Jan 14 37.5°F 37.2°F 37.0°F
Jan 15 37.4°F 36.5°F 36.8°F
Jan 16 37.0°F 36.4°F 36.7°F
Jan 17 37.5°F 36.3°F 36.6°F
Jan 18 37.2°F 36.4°F 36.6°F
Jan 19 37.4°F 36.5°F 36.3°F
Jan 20 37.0°F 36.4°F 36.3°F
Jan 21 37.2°F 36.2°F 36.3°F
Jan 22 37.1°F 36.0°F 36.1°F
Jan 23 37.0°F 35.9°F 36.0°F
Jan 24 36.9°F 35.0°F 35.9°F
Jan 25 36.8°F 34.7°F 35.9°F
Jan 26 36.6°F 34.3°F 35.7°F
Jan 27 36.6°F 34.5°F 35.7°F
Jan 28 36.6°F 33.7°F 35.7°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 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 15, 2015, dipping to 32.0°F. The average readings by season are 37.4°F in Winter, 39.9°F in Spring, 63.8°F in Summer, and 56.4°F in Autumn.