Indianapolis water temp
This data the coastal Indianapolis 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 Indianapolis
Water temperature in Indianapolis today is 64.4°F. Based on our historical data over a period of ten years, the warmest water in this day in Indianapolis was recorded in 2023 and was 77°F, and the coldest 64.4°F. Water temperature in Indianapolis is expected to rise to 71.2°F in the next 10 days. September average water temperature in Indianapolis is 70.9°F, the minimum temperature is 60.8°F, and the maximum is 78.8°F.
The swimming season in Indianapolis lasts from June to September. During those months, Indianapolis water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Indianapolis in winter reaches 38.8°F, in spring 53.1°F, in summer the average temperature rises to 74.8°F, and in autumn it is 58.8°F.
Indianapolis water temperature now
| September 6, 2025 |
|---|
| today temp |
| 64.4°F |
| September 5, 2025 |
|---|
| yesterday temp |
| 66.2°F |
Current temperature and weather
Data in a table show Indianapolis temperature today (September 6, 2025). For more information and forecast for a few days, go to the weather forecast Indianapolis.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | |  |
| 64.6°F | 61.9°F | 59°F | 60.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | |  |
| 69.3°F | 72.1°F | 72.7°F | 64.8°F |
You may also be interested in other sections of our site for Indianapolis: Sunrise and Sunset
Indianapolis water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Indianapolis. 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 Indianapolis 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 | 38.1°F | 33.8°F | 50°F | cold |
| Water temperature in Indianapolis in January | ||||
| February | 38.5°F | 35.6°F | 46.4°F | cold |
| Water temperature in Indianapolis in February | ||||
| March | 44.4°F | 37.4°F | 57.2°F | cold |
| Water temperature in Indianapolis in March | ||||
| April | 52.3°F | 42.8°F | 66.2°F | cold |
| Water temperature in Indianapolis in April | ||||
| May | 62.2°F | 46.4°F | 75.2°F | cold |
| Water temperature in Indianapolis in May | ||||
| June | 72.9°F | 64.4°F | 84.2°F | warm |
| Water temperature in Indianapolis in June | ||||
| July | 76.8°F | 73.4°F | 84.2°F | warm |
| Water temperature in Indianapolis in July | ||||
| August | 75°F | 69.8°F | 82.4°F | warm |
| Water temperature in Indianapolis in August | ||||
| September | 70.9°F | 60.8°F | 78.8°F | warm |
| Water temperature in Indianapolis in September | ||||
| October | 59.5°F | 48.2°F | 77°F | cold |
| Water temperature in Indianapolis in October | ||||
| November | 46.2°F | 37.4°F | 60.8°F | cold |
| Water temperature in Indianapolis in November | ||||
| December | 39.7°F | 37.4°F | 46.4°F | cold |
| Water temperature in Indianapolis in December | ||||
Chart monthly average water temperature in Indianapolis
