Countryside, IL Weather & Growing Conditions
This Afternoon
73°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 73, with temperatures falling to around 70 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Rain Showers | 15 mph S | 36% |
| Tonight | 61°F | Rain Showers | 15 mph S | 81% |
| Wednesday | 64°F | Rain Showers Likely | 15 mph SSW | 58% |
| Wednesday Night | 49°F | Mostly Cloudy | 15 mph SW | 13% |
| Thursday | 58°F | Chance Rain Showers | 10 to 15 mph WSW | 27% |
| Thursday Night | 45°F | Chance Rain Showers | 5 to 10 mph WNW | 46% |
| Friday | 53°F | Chance Rain Showers | 10 to 15 mph N | 33% |
| Friday Night | 39°F | Mostly Cloudy | 5 to 10 mph NNW | 13% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 10% |
| Saturday Night | 38°F | Partly Cloudy | 5 mph WSW | 6% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 15% |
| Sunday Night | 39°F | Mostly Clear | 5 to 10 mph W | 10% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 5% |
| Monday Night | 43°F | Mostly Clear | 5 to 10 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Countryside, IL
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
6a
Explore more for Countryside, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Little Red School Hse, Il (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.