Calumet City weather
At 7:15 PM local time it was cloudy and 14°C (57°F). Mostly light, on-and-off rain; heavier around 2 AM, 3 AM (2.8 mm total). Best months for weather: May–Sep. Calumet City sits 180 m (591 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Calumet City, Illinois, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 4%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 2 AM, 3 AM (2.8 mm total)
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Calumet City weather
Is it raining in Calumet City right now?
No. It’s cloudy and 14° right now. Mostly light, on-and-off rain; heavier around 2 AM, 3 AM (2.8 mm total).
What’s the weather like in Calumet City this week?
Over the next 7 days, expect highs of 12–21° and lows of 9–16°. Rain is likely on 5 of 7 days (Sunday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Sunday.
Has it been raining in Calumet City lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Calumet City?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Calumet City weather by month
When is the best time to visit Calumet City?
Based on weather alone, the best time to visit Calumet City is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 0°C (31°F) in January to 28°C (83°F) in July.
What is the rainiest month in Calumet City?
May is the wettest month, with about 112 mm (4.4 in) of rain on average. January is the driest, with about 51 mm (2.0 in).
What is the hottest month in Calumet City?
July is the warmest, with average highs of 28°C (83°F) and lows of 19°C (65°F). January is the coolest, with highs of 0°C (31°F) and lows of -8°C (18°F).
Does Calumet City have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is May at about 112 mm (4.4 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months