Chicago weather live forecast

Today's maximum temperature in Chicago is expected to be 27°C. Select a day from the live weather forecast for Chicago, Illinois, USA for more weather parameters.

Sunday
9th Aug
27

21

4

6
Monday
10th Aug
27

23

7

4
Tuesday
11th Aug
25

23

3

3
Wednesday
12th Aug
27

23

10

4
Thursday
13th Aug
24

21

4

4

5-day weather forecast updated at 04:00 on Sunday 9th 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 9th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and a light breeze of 8 kph from the south.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
79
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
8
kph wind from S

Chicago weather for Monday 10th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and little or no wind of 6 kph from the east.

27
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
4
UV index (Moderate)
71
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
6
kph wind from E

Chicago weather for Tuesday 11th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 25°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 65% chance of some rain and little or no wind of 5 kph from the north-east.

25
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
3
UV index (Moderate)
65
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
5
kph wind from NE

Chicago weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 10-20 mm of rainfall expected with 51% chance of some rain and little or no wind of 6 kph from the north-west.

27
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
4
UV index (Moderate)
51
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
6
kph wind from NW

Chicago weather for Thursday 13th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and little or no wind of 5 kph from the north-east.