St Joseph water temp
This data the coastal St Joseph 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 St Joseph
Water temperature in St Joseph today is 66.4°F. Based on our historical data over a period of ten years, the warmest water in this day in St Joseph was recorded in 2016 and was 71.1°F, and the coldest was recorded in 2020 at 61.3°F. Water temperature in St Joseph is expected to drop to 64.4°F in the next 10 days. September average water temperature in St Joseph is 68.7°F, the minimum temperature is 61.3°F, and the maximum is 75.7°F.
The swimming season in St Joseph lasts from July to September. During those months, St Joseph water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in St Joseph in winter reaches 38.5°F, in spring 43.2°F, in summer the average temperature rises to 69.6°F, and in autumn it is 59.9°F.
St Joseph water temperature now
| September 22, 2025 |
|---|
| today temp |
| 66.4°F |
| September 21, 2025 |
|---|
| yesterday temp |
| 66°F |
Surf Forecast in St Joseph 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 St Joseph. 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 St Joseph. Data in table shown for September 22, 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' 3" | 0' 7" | 0' 9" | 0' 9" |
| 0.08 m | 0.18 m | 0.22 m | 0.23 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 7" | 0' 9" | 0' 9" | 0' 7" |
| 0.18 m | 0.23 m | 0.23 m | 0.17 m |
Surf report in St Joseph
St Joseph weather forecast
Current temperature and weather
Data in a table show St Joseph temperature today (September 22, 2025). For more information and forecast for a few days, go to the weather forecast St Joseph.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | |  |
| 70.5°F | 69.3°F | 68.7°F | 68.2°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  | | |
| 69.6°F | 72.1°F | 72.3°F | 70.3°F |
You may also be interested in other sections of our site for St Joseph: Sunrise and Sunset, Tides
St Joseph water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in St Joseph. 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 St Joseph 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 | 37.6°F | 31.8°F | 43°F | cold |
| Water temperature in St Joseph in January | ||||
| February | 34.9°F | 31.1°F | 39.7°F | cold |
| Water temperature in St Joseph in February | ||||
| March | 36°F | 31.5°F | 46.4°F | cold |
| Water temperature in St Joseph in March | ||||
| April | 41.5°F | 32.5°F | 49.8°F | cold |
| Water temperature in St Joseph in April | ||||
| May | 52°F | 39.6°F | 67.1°F | cold |
| Water temperature in St Joseph in May | ||||
| June | 63.9°F | 51.4°F | 74.8°F | cold |
| Water temperature in St Joseph in June | ||||
| July | 72°F | 61.7°F | 78.8°F | warm |
| Water temperature in St Joseph in July | ||||
| August | 72.9°F | 65.3°F | 78.1°F | warm |
| Water temperature in St Joseph in August | ||||
| September | 68.7°F | 61.3°F | 75.7°F | warm |
| Water temperature in St Joseph in September | ||||
| October | 60.3°F | 53.8°F | 68°F | cold |
| Water temperature in St Joseph in October | ||||
| November | 50.9°F | 41.2°F | 59.9°F | cold |
| Water temperature in St Joseph in November | ||||
| December | 42.8°F | 36.1°F | 48.9°F | cold |
| Water temperature in St Joseph in December | ||||
Chart monthly average water temperature in St Joseph
