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.

Saturday
16th May
27

18

6

6
Sunday
17th May
28

19

5

5
Monday
18th May
27

22

5

7
Tuesday
19th May
26

19

8

5
Wednesday
20th May
19

11

9

7

5-day weather forecast updated at 04:00 on Saturday 16th May 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 Saturday 16th May 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 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 35% chance of some rain and a light breeze of 9 kph from the south-west.

27
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
35
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
9
kph wind from SW

Chicago weather for Sunday 17th May 2026

Expect broken clouds in Chicago, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

28
°C maximum temperature
19
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from S

Chicago weather for Monday 18th May 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 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 14 kph from the south.

27
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
70
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
14
kph wind from S

Chicago weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 16 kph from the south-west.

26
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
5
UV index (Moderate)
53
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
16
kph wind from SW

Chicago weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 19°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a light breeze of 9 kph from the north-east.