Louisville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Louisville, a village in Clay County, Illinois.
This Afternoon
76°F
Slight Chance Light Rain
A slight chance of rain after 4pm. Partly sunny, with a high near 76. South southeast wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
7-day forecast for Louisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Slight Chance Light Rain | 16 to 21 mph SSE | 19% |
| Tonight | 56°F | Slight Chance T-storms then Rain | 9 to 15 mph S | 88% |
| Wednesday | 65°F | Chance Rain Showers then Mostly Cloudy | 7 to 13 mph SW | 14% |
| Wednesday Night | 43°F | Mostly Cloudy | 3 mph WSW | 0% |
| Thursday | 66°F | Sunny | 3 to 10 mph WSW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 2 mph WNW | 3% |
| Friday | 59°F | Mostly Cloudy | 2 to 9 mph NNW | 3% |
| Friday Night | 37°F | Partly Cloudy | 2 to 6 mph NNW | 1% |
| Saturday | 56°F | Mostly Sunny | 5 mph NNW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 61°F | Sunny | 1 to 7 mph W | 6% |
| Sunday Night | 33°F | Mostly Clear | 3 mph NW | 6% |
| Monday | 64°F | Sunny | 1 to 8 mph W | 2% |
| Monday Night | 38°F | Mostly Clear | 3 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Louisville (38.769, -88.507). Updated through the day.
Growing snapshot for Louisville
Last spring frost
Apr 10
First fall frost
Oct 23
Growing season
196 days
Hardiness zone
6b
More local growing data for Louisville: nearby ZIP 62858 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Flora 5 Nw, Il (8.3 mi from Louisville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.