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
97°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 4pm. Sunny, with a high near 97. Heat index values as high as 100. Southwest wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for St. Francisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 8 mph SW | 16% |
| Tonight | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SSW | 16% |
| Sunday | 95°F | Mostly Sunny | 3 to 7 mph WSW | 9% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 8 mph N | 46% |
| Monday | 81°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 56% |
| Monday Night | 59°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 7 to 13 mph NNE | 56% |
| Tuesday | 74°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 33% |
| Tuesday Night | 56°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 12 mph N | 15% |
| Wednesday | 74°F | Mostly Sunny | 6 to 10 mph N | 4% |
| Wednesday Night | 56°F | Partly Cloudy | 3 to 10 mph N | 4% |
| Thursday | 75°F | Mostly Sunny | 5 to 9 mph N | 3% |
| Thursday Night | 57°F | Partly Cloudy | 3 to 9 mph NNE | 4% |
| Friday | 76°F | Mostly Sunny | 3 to 9 mph NNE | 3% |
| Friday Night | 55°F | Partly Cloudy | 5 to 9 mph NE | 1% |
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 Sep 19, 2026.