Chicago weather live forecast

Today's maximum temperature in Chicago is expected to be 25°C. Select a day from the live weather forecast for Chicago, Illinois, USA for more weather parameters.

Thursday
13th Aug
25

22

1

4
Friday
14th Aug
24

23

3

6
Saturday
15th Aug
29

24

6

5
Sunday
16th Aug
27

24

4

7
Monday
17th Aug
24

20

8

7

5-day weather forecast updated at 04:00 on Thursday 13th August 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 Thursday 13th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a light breeze of 8 kph from the east.

25
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
84
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
8
kph wind from E

Chicago weather for Friday 14th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 24°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 61% chance of some rain and a light breeze of 7 kph from the east.

24
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
61
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
7
kph wind from E

Chicago weather for Saturday 15th August 2026

Expect broken clouds in Chicago, Illinois with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

29
°C maximum temperature
24
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SE

Chicago weather for Sunday 16th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a light breeze of 7 kph from the west.

27
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
55
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
7
kph wind from W

Chicago weather for Monday 17th August 2026

Expect broken clouds in Chicago, Illinois with a maximum temperature of 24°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.