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Lafayette, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lafayette, a city in Tippecanoe County, Indiana.

This Afternoon
68°F
Mostly Cloudy
Mostly cloudy. High near 68, with temperatures falling to around 61 in the afternoon. West southwest wind around 14 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Lafayette

WhenTempForecastWindPrecip
This Afternoon 68°F Mostly Cloudy 14 mph WSW 8%
Tonight 47°F Cloudy 7 to 10 mph SW 6%
Thursday 59°F Mostly Cloudy 9 to 14 mph SW 5%
Thursday Night 41°F Chance Light Rain 3 to 8 mph WNW 42%
Friday 53°F Slight Chance Light Rain 7 to 10 mph NNW 15%
Friday Night 33°F Partly Cloudy 3 to 9 mph NNW 7%
Saturday 53°F Mostly Sunny 6 mph NW 1%
Saturday Night 29°F Mostly Clear 0 to 3 mph NW 0%
Sunday 59°F Sunny 2 to 8 mph W 1%
Sunday Night 32°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 6 mph W 1%
Tuesday Night 35°F Mostly Clear 0 to 3 mph NNW 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

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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 Nov 4, 2026.