St. Joseph, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Joseph, a village in Champaign County, Illinois.
Overnight
60°F
Light Rain
Rain. Cloudy, with a low around 60. South wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for St. Joseph
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Light Rain | 13 to 16 mph S | 92% |
| Wednesday | 64°F | Chance Drizzle | 12 to 15 mph SSW | 32% |
| Wednesday Night | 46°F | Slight Chance Drizzle then Mostly Cloudy | 10 mph SW | 20% |
| Thursday | 62°F | Partly Sunny | 10 to 15 mph WSW | 14% |
| Thursday Night | 43°F | Slight Chance Light Rain | 6 mph WNW | 20% |
| Friday | 54°F | Mostly Cloudy | 7 to 10 mph NNW | 11% |
| Friday Night | 34°F | Partly Cloudy | 3 to 8 mph NNW | 0% |
| Saturday | 53°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 32°F | Mostly Clear | 2 mph WNW | 1% |
| Sunday | 59°F | Sunny | 2 to 7 mph WNW | 2% |
| Sunday Night | 33°F | Clear | 3 mph W | 0% |
| Monday | 63°F | Sunny | 1 to 6 mph SW | 0% |
| Monday Night | 38°F | Clear | 3 mph SW | 1% |
| Tuesday | 66°F | Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for St. Joseph (40.115, -88.036). Updated through the day.
Growing snapshot for St. Joseph
Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
182 days
Hardiness zone
6a
More local growing data for St. Joseph: nearby ZIP 61873 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Bondville
Broadlands
Champaign
Dewey
Fisher
Foosland
Gifford
Homer
Ivesdale
Lake of the Woods
Longview
Ludlow
Mahomet
Ogden
Penfield
Pesotum
Philo
Rantoul
Royal
Sadorus
Savoy
Seymour
Sidney
Thomasboro
Tolono
Urbana
Climate data from the nearest NOAA station, Ogden, Il (4.7 mi from St. Joseph). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.