St. Francisville, IL Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 mph E | 0% |
| Tonight | 64°F | Mostly Clear | 2 mph E | 0% |
| Wednesday | 87°F | Sunny | 1 mph S | 0% |
| Wednesday Night | 69°F | Partly Cloudy | 1 mph S | 5% |
| Thursday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 8 mph SSW | 25% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 52% |
| Friday | 86°F | Chance Showers And Thunderstorms | 1 to 8 mph SW | 46% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 mph SSW | 35% |
| Saturday | 87°F | Chance Showers And Thunderstorms | 1 to 6 mph SSW | 34% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 24% |
| Sunday | 89°F | Mostly Sunny | 5 to 10 mph SSW | 12% |
| Sunday Night | 72°F | Mostly Clear | 9 mph SSW | 12% |
| Monday | 90°F | Sunny | 7 to 12 mph SSW | 11% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 9 mph SSW | 19% |
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 Aug 4, 2026.