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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
68°F
Chance Light Rain then Slight Chance Drizzle
A chance of rain and a slight chance of thunderstorms before 9am, then a slight chance of drizzle. Mostly cloudy. High near 68, with temperatures falling to around 64 in the afternoon. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for St. Francisville

WhenTempForecastWindPrecip
Today 68°F Chance Light Rain then Slight Chance Drizzle 10 to 14 mph SW 40%
Tonight 45°F Slight Chance Drizzle then Partly Cloudy 5 to 9 mph SW 10%
Thursday 65°F Sunny 7 to 13 mph WSW 0%
Thursday Night 45°F Partly Cloudy 1 to 7 mph W 0%
Friday 59°F Partly Sunny 2 to 10 mph NW 0%
Friday Night 37°F Partly Cloudy 3 to 9 mph NNW 0%
Saturday 56°F Sunny 6 mph NNW 0%
Saturday Night 33°F Partly Cloudy 3 mph NW 0%
Sunday 60°F Sunny 1 to 7 mph NW 2%
Sunday Night 34°F Mostly Clear 1 to 5 mph W 2%
Monday 63°F Sunny 0 to 6 mph WNW 0%
Monday Night 38°F Clear 3 mph SW 1%
Tuesday 67°F Sunny 2 to 6 mph W 1%
Tuesday Night 40°F Mostly Clear 0 to 3 mph NW 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

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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 Nov 4, 2026.