Chicago weather live forecast

Today's maximum temperature in Chicago is expected to be 22°C. Select a day from the live weather forecast for Chicago, Illinois, USA for more weather parameters.

Friday
18th Sep
22

20

7

6
Saturday
19th Sep
22

19

2

4
Sunday
20th Sep
20

18

1

1
Monday
21st Sep
18

15

1

3
Tuesday
22nd Sep
16

15

2

4

5-day weather forecast updated at 04:00 on Friday 18th September 2026 GMT

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The 5-day weather forecast for Illinois (Chicago) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Chicago weather forecast by day

Below are the detailed weather forecasts for Chicago for the next 5 days.

Chicago weather for Friday 18th September 2026

Expect broken clouds in Chicago, Illinois with a maximum temperature of 22°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

22
°C maximum temperature
20
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
11
kph wind from E

Chicago weather for Saturday 19th September 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 40-50 mm of rainfall expected with 94% chance of some rain and a light breeze of 12 kph from the south-east.

22
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
94
% chance of some rain
<50
mm of rainfall expected
22
°C wind chill
12
kph wind from SE

Chicago weather for Sunday 20th September 2026

Expect broken clouds in Chicago, Illinois with a maximum temperature of 20°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

20
°C maximum temperature
18
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NE

Chicago weather for Monday 21st September 2026

Expect broken clouds in Chicago, Illinois with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

18
°C maximum temperature
15
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
16
kph wind from E

Chicago weather for Tuesday 22nd September 2026

Expect broken clouds in Chicago, Illinois with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.