Assumption, IL Weather & Growing Conditions
Today
92°F
Partly Sunny
Partly sunny, with a high near 92. Southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Partly Sunny | 7 mph SW | 11% |
| Tonight | 69°F | Partly Cloudy | 5 mph SSW | 12% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 2 to 9 mph N | 36% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 65% |
| Monday | 72°F | Showers And Thunderstorms Likely | 13 mph NE | 66% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 mph NE | 51% |
| Tuesday | 68°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 13 mph NE | 22% |
| Tuesday Night | 52°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 12 mph NNE | 22% |
| Wednesday | 71°F | Mostly Sunny | 7 to 10 mph NNE | 4% |
| Wednesday Night | 52°F | Partly Cloudy | 3 to 8 mph NNE | 3% |
| Thursday | 73°F | Mostly Sunny | 5 to 8 mph NNE | 2% |
| Thursday Night | 54°F | Partly Cloudy | 2 to 8 mph NNE | 2% |
| Friday | 75°F | Mostly Sunny | 5 to 8 mph NE | 2% |
| Friday Night | 53°F | Partly Cloudy | 3 to 7 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Assumption, IL
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
6a
Explore more for Assumption, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Pana, Il (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.