Lafayette, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lafayette, a city in Tippecanoe County, Indiana.
Today
82°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before noon, then showers and thunderstorms likely between noon and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lafayette
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph SSE | 69% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph S | 31% |
| Sunday | 79°F | Showers And Thunderstorms Likely | 2 to 8 mph NNW | 70% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 12 mph NE | 68% |
| Monday | 67°F | Showers And Thunderstorms Likely | 14 mph ENE | 59% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Tuesday | 67°F | Slight Chance Rain Showers | 13 mph NE | 21% |
| Tuesday Night | 52°F | Slight Chance Rain Showers | 6 to 13 mph NE | 21% |
| Wednesday | 68°F | Mostly Cloudy | 6 to 9 mph NNE | 13% |
| Wednesday Night | 53°F | Mostly Cloudy | 3 to 9 mph NNE | 9% |
| Thursday | 70°F | Partly Sunny | 5 to 8 mph NNE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 3 to 8 mph NNE | 3% |
| Friday | 72°F | Mostly Sunny | 3 to 8 mph NNE | 2% |
| Friday Night | 52°F | Partly Cloudy | 2 to 8 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Lafayette (40.399, -86.863). Updated through the day.
Growing snapshot for Lafayette
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
173 days
Hardiness zone
6a
More local growing data for Lafayette: nearby ZIP 47901 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Americus
Battle Ground
Brookston
Buck Creek
Clarks Hill
Colburn
Dayton
Montmorenci
Romney
Shadeland
Stockwell
West Lafayette
West Point
Climate data from the nearest NOAA station, Lafayette Purdue Univ Ap, In (2.5 mi from Lafayette). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.