Lafayette, IN Weather & Growing Conditions
This Afternoon
68°F
Mostly Cloudy
Mostly cloudy. High near 68, with temperatures falling to around 61 in the afternoon. Southwest wind 12 to 15 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Cloudy | 12 to 15 mph SW | 8% |
| Tonight | 47°F | Cloudy | 6 to 10 mph SW | 6% |
| Thursday | 59°F | Mostly Cloudy | 8 to 14 mph SW | 6% |
| Thursday Night | 42°F | Chance Light Rain | 2 to 7 mph WNW | 43% |
| Friday | 53°F | Slight Chance Light Rain | 6 to 10 mph NNW | 15% |
| Friday Night | 34°F | Partly Cloudy | 3 to 9 mph NW | 6% |
| Saturday | 53°F | Mostly Sunny | 2 to 6 mph NW | 1% |
| Saturday Night | 30°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Sunday | 59°F | Sunny | 2 to 8 mph W | 1% |
| Sunday Night | 33°F | Mostly Clear | 1 to 5 mph W | 1% |
| Monday | 62°F | Sunny | 1 to 7 mph WSW | 0% |
| Monday Night | 37°F | Clear | 6 mph SW | 0% |
| Tuesday | 64°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 3 mph NNW | 2% |
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 Nov 5, 2026.