Live Weather & Forecast

Weather in Calumet City

Illinois, United States · Real-time conditions & 3-day outlook

Flag of United States
Partly cloudy
25°C
Feels like 27°C
77°F / Feels 80°F
Partly cloudy
Calumet City, Illinois
🌞 Daytime
Updated: 2026-04-13 14:30
💧
Humidity
63%
💨
Wind
20.2 km/h SSW
🌬️
Wind Gust
27.9 km/h
🌡️
Pressure
1013 mb
👁️
Visibility
16 km
☀️
UV Index
3.1 (Moderate)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
50%
💦
Dew Point
21°C
🌐
Wind Degree
213°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
199.9 μg/m³
NO₂
12.5 μg/m³
O₃
80 μg/m³
SO₂
2.8 μg/m³
PM 2.5
7.3 μg/m³
PM 10
8 μg/m³

Weather Alerts 2

Met · Severe · Immediate
Flood Warning issued April 12 at 9:04PM CDT until April 13 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Indiana... Illinois... Kankakee River at Shelby affecting Lake IN and Newton Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kankakee River from Near I-65 and De Motte downstream to IL/IN state line, includ...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-12T21:04:00-05:00  ·  Expires: 2026-04-13T15:15:00-05:00
Met · Severe · Immediate
Flood Warning issued April 13 at 10:13AM CDT until April 13 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois...Indiana... Fox River at Algonquin Lock & Dam tailwater affecting McHenry, Lake IL and Kane Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-13T10:13:00-05:00  ·  Expires: 2026-04-13T19:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Calumet City, Illinois

12 AM
Moderate rain at times
17°
Moderate rain at times
💧 77% 💨 30.6 km/h 🌧️ 100%
1 AM
Overcast
17°
Overcast
💧 81% 💨 28.4 km/h
2 AM
Partly Cloudy
17°
Partly Cloudy
💧 88% 💨 24.8 km/h
3 AM
Light drizzle
17°
Light drizzle
💧 91% 💨 23.4 km/h 🌧️ 100%
4 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 89% 💨 23 km/h 🌧️ 100%
5 AM
Clear
17°
Clear
💧 88% 💨 20.9 km/h
6 AM
Clear
17°
Clear
💧 89% 💨 19.4 km/h
7 AM
Overcast
18°
Overcast
💧 86% 💨 19.1 km/h
8 AM
Overcast
19°
Overcast
💧 87% 💨 18.4 km/h
9 AM
Partly Cloudy
20°
Partly Cloudy
💧 86% 💨 18 km/h
10 AM
Cloudy
21°
Cloudy
💧 85% 💨 18.4 km/h
11 AM
Overcast
22°
Overcast
💧 81% 💨 20.2 km/h
12 PM
Partly Cloudy
23°
Partly Cloudy
💧 77% 💨 20.9 km/h
1 PM
Partly Cloudy
26°
Partly Cloudy
💧 72% 💨 19.4 km/h
2 PM
Partly cloudy
25°
Partly cloudy
💧 63% 💨 20.2 km/h
3 PM
Sunny
28°
Sunny
💧 55% 💨 21.2 km/h
4 PM
Sunny
28°
Sunny
💧 57% 💨 22 km/h
5 PM
Sunny
28°
Sunny
💧 50% 💨 22.7 km/h
6 PM
Sunny
27°
Sunny
💧 52% 💨 23.4 km/h
7 PM
Patchy rain nearby
23°
Patchy rain nearby
💧 62% 💨 21.6 km/h 🌧️ 60%
8 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 93% 💨 24.8 km/h 🌧️ 100%
9 PM
Heavy rain at times
20°
Heavy rain at times
💧 93% 💨 26.3 km/h 🌧️ 100%
10 PM
Clear
20°
Clear
💧 92% 💨 24.5 km/h
11 PM
Clear
20°
Clear
💧 82% 💨 26.3 km/h

3-Day Forecast

Daily overview for Calumet City, Illinois

Today
Heavy rain
Heavy rain
30° / 17°
🌧️ 88% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 30.6 km/h
🌧️ Total precip: 33.83 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:29 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
Patchy rain nearby
23° / 20°
🌧️ 64% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 28.8 km/h
🌧️ Total precip: 1.32 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:11 AM
🌇 Sunset: 07:30 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
Heavy rain
18° / 14°
🌧️ 84% chance of rain
💧 Avg. humidity: 96%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 234.74 mm
☀️ UV Index: 0.5
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 8% lit

Best Time to Visit Calumet City

Plan your trip to Calumet City, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Calumet City 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Calumet City?
Current conditions in Calumet City: Partly cloudy, temperature 25°C, humidity 63%.
What is the best time to visit Calumet City?
The best time to visit Calumet City is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Calumet City?
Calumet City is located at approximately 41.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Calumet City?
The wettest period in Calumet City is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Calumet City?
For visits to Calumet City during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Calumet City in?
Calumet City is located in United States, in the state of Illinois.
What are the public holidays in Calumet City in 2026?
View the 2026 public holidays for Calumet City on our Holidays page.
What are the GPS coordinates used for the weather forecast in Calumet City?
The weather forecast for Calumet City uses coordinates 41.616, -87.5296.