🇺🇸 Weather in Chicago
Current Weather in Chicago
Extreme Heat Warning issued July 1 at 2:30AM CDT until July 3 at 12:00AM CDT by NWS Chicago IL
34°C
Feels like 41°C. Sunny.
🌬️ 21 km/h SW
💧 47% Humidity
🧭 1015 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 9.4
🌡️ Dew Point: 21°C
🌅 Sunrise: 05:19 AM
🌇 Sunset: 08:29 PM
Map Overlays:
Hourly Forecast for Chicago
17:00
35°
1%
18:00
34°
1%
19:00
33°
1%
20:00
32°
2%
21:00
30°
3%
22:00
29°
3%
23:00
29°
4%
00:00
27°
9%
01:00
26°
9%
02:00
26°
9%
03:00
26°
9%
04:00
25°
9%
05:00
25°
10%
06:00
25°
10%
07:00
25°
9%
08:00
27°
7%
09:00
29°
4%
10:00
30°
3%
11:00
32°
2%
12:00
33°
1%
13:00
33°
2%
14:00
34°
2%
15:00
34°
2%
16:00
34°
2%
14-Day Forecast for Chicago
Wed, Jul 01
Sunny
37° /
24°
Thu, Jul 02
Sunny
34° /
25°
Fri, Jul 03
Sunny
34° /
24°
Sat, Jul 04
Sunny
33° /
21°
Sun, Jul 05
Partly Cloudy
25° /
20°
Mon, Jul 06
Light rain shower
24° /
20°
Tue, Jul 07
Sunny
26° /
20°
Wed, Jul 08
Sunny
29° /
22°
Thu, Jul 09
Patchy rain nearby
29° /
23°
Fri, Jul 10
Sunny
29° /
22°
Sat, Jul 11
Patchy rain nearby
30° /
22°
Sun, Jul 12
Patchy rain nearby
29° /
23°
Mon, Jul 13
Sunny
26° /
20°
Tue, Jul 14
Sunny
26° /
19°
Additional Forecasts for Chicago
Marine Forecast
Tide Forecast
Air Quality
💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 120.0
μg/m³
O₃ (Ozone) 151.0
μg/m³
NO₂ (Nitrogen Dioxide) 2.8 μg/m³
SO₂ (Sulphur Dioxide) 2.3
μg/m³
PM2.5 (Fine particles) 27.1 μg/m³
PM10 (Coarse particles) 44.7 μg/m³
Local Sports Events
Historical Weather
Weather Forecasts for Other Cities in United States
Learn More about Weather
FAQ — Weather in Chicago
Common questions about this page — answers customized for the data shown above.
The current weather in Chicago is sunny with a temperature of 34°C (feels like 41°C). Humidity is at 47% and wind speed is 21 km/h. Browse weather for other cities for comparison.
Tomorrow's forecast for Chicago shows sunny with a high of 34°C and a low of 25°C. There is a 4% chance of rain. Tomorrow’s sunrise and sunset times for Chicago are also available.
Over the next 7 days in Chicago, temperatures are forecast to range from a low of 20°C to a high of 37°C. The 7-day forecast table above shows day-by-day conditions, precipitation probability and hourly breakdowns. For weather in nearby cities, see United States city pages.
Based on the latest forecast, rain is likely in Chicago on Saturday, Sunday, Monday, and Tuesday (50%+ chance of precipitation). The hourly forecast above gives more precise timing for any showers expected in the next 24 hours.
Wednesday is forecast to be the warmest day in Chicago this week, with a high of 37°C and sunny conditions expected.
Chicago sits at approximately 41.9° north latitude, which generally produces a temperate climate with four distinct seasons — warm summers, cold winters, and pronounced spring and autumn transitions. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.
Climatically, the best time to visit Chicago is generally late spring (May–June) and early autumn (September–October) in the Northern Hemisphere — pleasant temperatures and longer daylight. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or warmest weather. Check the forecast above before planning a short trip.
In the Northern Hemisphere, summer falls in June–August and winter in December–February. Spring runs March–May and autumn runs September–November. Chicago follows this Northern/Southern Hemisphere pattern based on its latitude. See the sun page for exact daylight hours through the year.