Calumet City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calumet City, a city in Cook County, Illinois.
This Afternoon
72°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 72. East northeast wind 10 to 15 mph. Chance of precipitation is 50%.
7-day forecast for Calumet City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Rain Showers | 10 to 15 mph ENE | 48% |
| Tonight | 62°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 10 mph E | 40% |
| Saturday | 78°F | Showers And Thunderstorms Likely | 5 to 10 mph SSE | 83% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 5 to 10 mph WSW | 83% |
| Sunday | 69°F | Showers And Thunderstorms | 10 to 15 mph NNE | 83% |
| Sunday Night | 57°F | Rain Showers Likely | 15 mph NE | 64% |
| Monday | 65°F | Rain Showers Likely | 15 mph ENE | 57% |
| Monday Night | 54°F | Chance Rain Showers | 10 to 15 mph ENE | 34% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Tuesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 17% |
| Wednesday | 66°F | Partly Sunny | 5 to 10 mph NE | 13% |
| Wednesday Night | 55°F | Mostly Cloudy | 5 to 10 mph NNE | 4% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 6% |
| Thursday Night | 56°F | Mostly Cloudy | 0 to 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Calumet City (41.596, -87.539). Updated through the day.
Growing snapshot for Calumet City
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Calumet City: nearby ZIP 60409 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Park Forest, Il (10.6 mi from Calumet City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.