Le Roy, IL Weather & Growing Conditions
Today
62°F
Slight Chance Light Rain then Slight Chance Drizzle
A slight chance of rain before 7am, then a slight chance of drizzle. Mostly cloudy, with a high near 62. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Slight Chance Light Rain then Slight Chance Drizzle | 14 to 17 mph SW | 17% |
| Tonight | 44°F | Slight Chance Drizzle then Mostly Cloudy | 13 mph WSW | 10% |
| Thursday | 59°F | Mostly Cloudy then Slight Chance Light Rain | 13 to 17 mph WSW | 18% |
| Thursday Night | 41°F | Slight Chance Light Rain | 7 to 12 mph NW | 22% |
| Friday | 53°F | Partly Sunny | 15 mph NNW | 10% |
| Friday Night | 32°F | Partly Cloudy | 5 to 12 mph NNW | 0% |
| Saturday | 53°F | Sunny | 5 to 8 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 5 mph WNW | 2% |
| Sunday | 59°F | Sunny | 5 to 12 mph W | 1% |
| Sunday Night | 33°F | Clear | 3 to 7 mph W | 0% |
| Monday | 64°F | Sunny | 3 to 10 mph SW | 0% |
| Monday Night | 38°F | Clear | 8 mph SW | 0% |
| Tuesday | 66°F | Sunny | 8 mph WNW | 0% |
| Tuesday Night | 38°F | Mostly Clear | 5 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Le Roy, IL
Last spring frost
Apr 25
First fall frost
Oct 16
Growing season
172 days
Hardiness zone
6a
Explore more for Le Roy, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Normal 4Ne, Il (17.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.