Countryside, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Countryside, a city in Cook County, Illinois.
Today
77°F
Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers and thunderstorms before noon, then showers and thunderstorms likely. Cloudy. High near 77, with temperatures falling to around 75 in the afternoon. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Countryside
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SE | 100% |
| Tonight | 65°F | Showers And Thunderstorms | 5 to 10 mph ENE | 96% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 64% |
| Sunday Night | 58°F | Chance Rain Showers | 15 mph NE | 33% |
| Monday | 64°F | Chance Rain Showers | 15 mph ENE | 28% |
| Monday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 20% |
| Tuesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 17% |
| Tuesday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 10% |
| Wednesday | 64°F | Partly Sunny | 10 to 15 mph NE | 14% |
| Wednesday Night | 55°F | Mostly Cloudy | 5 to 10 mph NNE | 5% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 56°F | Mostly Cloudy | 5 to 10 mph NNE | 3% |
| Friday | 70°F | Partly Sunny | 5 to 10 mph NE | 3% |
| Friday Night | 56°F | Partly Cloudy | 5 to 10 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Countryside (41.774, -87.875). Updated through the day.
Growing snapshot for Countryside
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
6a
More local growing data for Countryside: nearby ZIP 60525 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Little Red School Hse, Il (5.2 mi from Countryside). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.