Prophetstown State Park Weather Forecast
- 68
- 85
Rain Showers Likely
- 63
- 78
Chance Rain Showers
- 68
- 84
Rain Showers Likely
- 60
- 80
Chance Thunderstorms
- 56
- 72
Chance Rain Showers
- 55
- 69
Mostly Cloudy
- 55
- 71
Partly Sunny
Today 17 Sep Tippecanoe
Mostly cloudy Early, then becoming partly cloudy. A slight chance of Showers and Thunderstorms Early, then a chance of Showers and Thunderstorms late. Highs in the upper 80s. West Winds around 5 Mph. Chance of rain 20 percent.
Tonight 17 Sep Tippecanoe
Partly cloudy late this Afternoon, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms late this Afternoon, then a chance of Showers and Thunderstorms through the late overnight. A slight chance of Showers and Thunderstorms toward daybreak. Humid with Lows in the upper 60s. West Winds 5 to 10 Mph, becoming northeast. Chance of rain 50 percent.
Prophetstown State Park Temperature Statistics
September Temperature
Lafayette, Purdue University Airport (8.7 miles)
Lowest 14 September, 2026
53.1 °FAverage September
76.7 °FHighest 4 September, 2026
96.7 °F
Climate (2021–2026)
Lafayette, Purdue University Airport (8.7 miles)
Average Low 2021–2026
43.9 °FAverage 2021–2026
54.1 °FAverage High 2021–2026
64.3 °F