St. Mary's Weather Forecast
- 73
- 94
Chance Rain Showers
- 64
- 92
Chance Thunderstorms
- 58
- 81
Partly Sunny
- 62
- 83
Partly Sunny
- 70
- 88
Slight Chance Thunderstorms
- 69
- 92
Partly Sunny
Today 4 Sep Tippecanoe
Sunny, hot with Highs in the mid 90s. West Winds 5 to 10 Mph.
Tonight 4 Sep Tippecanoe
Mostly clear. A slight chance of Showers and Thunderstorms toward daybreak. Humid with Lows in the lower 70s. Light and variable Winds. Chance of rain 20 percent.
St. Mary's Temperature Statistics
September Temperature
Lafayette, Purdue University Airport (3.1 miles)
Lowest 2 September, 2026
71.1 °FAverage September
84.2 °FHighest 2 September, 2026
93.9 °F
Climate (2021–2026)
Lafayette, Purdue University Airport (3.1 miles)
Average Low 2021–2026
43.9 °FAverage 2021–2026
54 °FAverage High 2021–2026
64.2 °F