Chicago weather live forecast

Today's maximum temperature in Chicago is expected to be 29°C. Select a day from the live weather forecast for Chicago, Illinois, USA for more weather parameters.

Sunday
30th Aug
29

23

5

5
Monday
31st Aug
31

25

5

4
Tuesday
1st Sep
33

27

8

5
Wednesday
2nd Sep
35

27

8

7
Thursday
3rd Sep
29

25

5

6

5-day weather forecast updated at 04:00 on Sunday 30th August 2026 GMT

More about Chicago

Chicago by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Illinois

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 Sunday 30th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 36% chance of some rain and a light breeze of 12 kph from the south.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
36
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
12
kph wind from S

Chicago weather for Monday 31st August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 10 kph from the south-west.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SW

Chicago weather for Tuesday 1st September 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a light breeze of 8 kph from the south-west.

33
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
5
UV index (Moderate)
34
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
8
kph wind from SW

Chicago weather for Wednesday 2nd September 2026

Expect scattered clouds in Chicago, Illinois with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

35
°C maximum temperature
27
°C minimum temperature
scattered clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
10
kph wind from SW

Chicago weather for Thursday 3rd September 2026

Expect mostly cloudy with light rain in Chicago, Illinois with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 28% chance of some rain and a light breeze of 7 kph from the north-east.