St. Francisville, IL Weather & Growing Conditions
Tonight
70°F
Partly Cloudy
Partly cloudy, with a low around 70. East southeast wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Partly Cloudy | 3 to 7 mph ESE | 11% |
| Saturday | 96°F | Sunny | 5 to 9 mph SSW | 14% |
| Saturday Night | 71°F | Partly Cloudy | 7 mph S | 11% |
| Sunday | 97°F | Mostly Sunny | 5 to 8 mph W | 13% |
| Sunday Night | 67°F | Mostly Cloudy then Chance Rain Showers | 8 mph NNE | 34% |
| Monday | 85°F | Chance Rain Showers | 10 mph NE | 46% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 46% |
| Tuesday | 76°F | Chance Showers And Thunderstorms | 12 mph NNE | 42% |
| Tuesday Night | 57°F | Mostly Cloudy | 7 to 12 mph NNE | 10% |
| Wednesday | 75°F | Partly Sunny | 7 to 10 mph N | 4% |
| Wednesday Night | 56°F | Partly Cloudy | 5 to 10 mph N | 4% |
| Thursday | 76°F | Mostly Sunny | 5 to 9 mph N | 3% |
| Thursday Night | 57°F | Partly Cloudy | 5 to 9 mph NNE | 3% |
| Friday | 77°F | Mostly Sunny | 5 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Francisville, IL
Last spring frost
Apr 12
First fall frost
Oct 25
Growing season
193 days
Hardiness zone
6b
Explore more for St. Francisville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Lawrenceville 2Wsw, Il (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.