Lafayette, IN Weather & Growing Conditions
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. East southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 5 mph ESE | 30% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 2 to 8 mph NNE | 63% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 9 to 13 mph NE | 61% |
| Monday | 68°F | Chance Showers And Thunderstorms | 13 mph ENE | 52% |
| Monday Night | 53°F | Chance Showers And Thunderstorms | 8 to 13 mph ENE | 43% |
| Tuesday | 66°F | Chance Showers And Thunderstorms | 12 mph NE | 32% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms | 6 to 12 mph NE | 32% |
| Wednesday | 68°F | Mostly Cloudy | 6 to 9 mph NNE | 13% |
| Wednesday Night | 54°F | Mostly Cloudy | 3 to 9 mph NNE | 10% |
| Thursday | 70°F | Partly Sunny | 3 to 7 mph NNE | 3% |
| Thursday Night | 54°F | Mostly Cloudy | 1 to 7 mph NNE | 5% |
| Friday | 73°F | Partly Sunny | 2 to 7 mph NNE | 5% |
| Friday Night | 53°F | Partly Cloudy | 1 to 7 mph NE | 3% |
| Saturday | 75°F | Mostly Sunny | 1 to 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lafayette, IN
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
173 days
Hardiness zone
6a
Explore more for Lafayette, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Lafayette Purdue Univ Ap, In (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.