St. Francisville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Francisville, a city in Lawrence County, Illinois.
Today
85°F
Sunny
Sunny, with a high near 85. East wind around 3 mph.
7-day forecast for St. Francisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 mph E | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph ENE | 0% |
| Wednesday | 87°F | Sunny | 1 mph SSE | 0% |
| Wednesday Night | 68°F | Mostly Clear | 2 mph S | 4% |
| Thursday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 7 mph SSW | 23% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 1 to 6 mph S | 50% |
| Friday | 86°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 50% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 36% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 33% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 24% |
| Sunday | 88°F | Mostly Sunny | 3 to 9 mph SSW | 12% |
| Sunday Night | 72°F | Mostly Clear | 8 mph SSW | 12% |
| Monday | 90°F | Sunny | 5 to 10 mph SSW | 11% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SSW | 19% |
Forecast source: National Weather Service (api.weather.gov) for St. Francisville (38.592, -87.648). Updated through the day.
Growing snapshot for St. Francisville
Last spring frost
Apr 12
First fall frost
Oct 25
Growing season
193 days
Hardiness zone
6b
More local growing data for St. Francisville: nearby ZIP 62460 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lawrenceville 2Wsw, Il (8.5 mi from St. Francisville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.