Milwaukee water temp
This data the coastal Milwaukee water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Current water temperature in Milwaukee
Water temperature in Milwaukee today is 65.8°F. Based on our historical data over a period of ten years, the warmest water in this day in Milwaukee was recorded in 2024 and was 69.6°F, and the coldest was recorded in 2019 at 56.5°F. Water temperature in Milwaukee is expected to drop to 59.4°F in the next 10 days. September average water temperature in Milwaukee is 65.5°F, the minimum temperature is 54°F, and the maximum is 73.4°F.
The swimming season in Milwaukee lasts from July to August. During those months, Milwaukee water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Milwaukee in winter reaches 37.2°F, in spring 40.1°F, in summer the average temperature rises to 64.6°F, and in autumn it is 55.9°F.
Milwaukee water temperature now
| September 26, 2025 |
|---|
| today temp |
| 65.8°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 65.7°F |
Surf Forecast in Milwaukee for today
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Milwaukee. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Milwaukee. Data in table shown for September 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 0' 9" | 0' 7" | 0' 6" | 0' 9" |
| 0.23 m | 0.17 m | 0.15 m | 0.23 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 6" | 0' 4" | 1' 3" | 1' 8" |
| 0.16 m | 0.1 m | 0.37 m | 0.5 m |
Surf report in Milwaukee
Milwaukee weather forecast
Current temperature and weather
Data in a table show Milwaukee temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Milwaukee.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 58.8°F | 57.6°F | 56.1°F | 64.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  |  | |
| 71.2°F | 66.4°F | 64.2°F | 63.3°F |
You may also be interested in other sections of our site for Milwaukee: Sunrise and Sunset, Tides
Milwaukee water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Milwaukee. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Milwaukee on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 36.5°F | 31.3°F | 41.7°F | cold |
| Water temperature in Milwaukee in January | ||||
| February | 34.5°F | 30.4°F | 38.5°F | cold |
| Water temperature in Milwaukee in February | ||||
| March | 35.6°F | 30.9°F | 42.8°F | cold |
| Water temperature in Milwaukee in March | ||||
| April | 39°F | 33.3°F | 45.7°F | cold |
| Water temperature in Milwaukee in April | ||||
| May | 45.9°F | 37.2°F | 59°F | cold |
| Water temperature in Milwaukee in May | ||||
| June | 57.2°F | 43.3°F | 66.7°F | cold |
| Water temperature in Milwaukee in June | ||||
| July | 66.9°F | 54.3°F | 76.1°F | cold |
| Water temperature in Milwaukee in July | ||||
| August | 69.6°F | 58.3°F | 75.6°F | warm |
| Water temperature in Milwaukee in August | ||||
| September | 65.5°F | 54°F | 73.4°F | cold |
| Water temperature in Milwaukee in September | ||||
| October | 55.9°F | 45.1°F | 69.3°F | cold |
| Water temperature in Milwaukee in October | ||||
| November | 46.6°F | 39.7°F | 57°F | cold |
| Water temperature in Milwaukee in November | ||||
| December | 40.5°F | 33.6°F | 46.4°F | cold |
| Water temperature in Milwaukee in December | ||||
Chart monthly average water temperature in Milwaukee
