La Fayette, IL Weather & Growing Conditions
Tonight
52°F
Light Rain then Chance Rain Showers
Rain and a slight chance of thunderstorms before midnight, then a chance of rain showers. Mostly cloudy, with a low around 52. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Light Rain then Chance Rain Showers | 13 to 17 mph S | 82% |
| Wednesday | 57°F | Slight Chance Light Rain then Mostly Cloudy | 14 to 17 mph SW | 24% |
| Wednesday Night | 46°F | Mostly Cloudy | 13 mph SW | 10% |
| Thursday | 56°F | Chance Light Rain | 8 to 14 mph WSW | 26% |
| Thursday Night | 42°F | Chance Light Rain | 5 to 9 mph NW | 31% |
| Friday | 52°F | Slight Chance Light Rain then Mostly Cloudy | 7 to 12 mph N | 16% |
| Friday Night | 35°F | Partly Cloudy | 1 to 6 mph NNW | 1% |
| Saturday | 52°F | Mostly Sunny | 1 to 5 mph WNW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 3 mph W | 4% |
| Sunday | 58°F | Sunny | 3 to 9 mph W | 12% |
| Sunday Night | 36°F | Mostly Clear | 6 mph W | 2% |
| Monday | 63°F | Sunny | 3 to 12 mph SW | 2% |
| Monday Night | 40°F | Mostly Clear | 7 mph W | 0% |
| Tuesday | 64°F | Sunny | 7 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for La Fayette, IL
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
Explore more for La Fayette, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Galva, Il (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.