Chicago weather live forecast

Today's maximum temperature in Chicago is expected to be 23°C. Select a day from the live weather forecast for Chicago, Illinois, USA for more weather parameters.

Tuesday
29th Sep
23

14

8

6
Wednesday
30th Sep
21

19

0

1
Thursday
1st Oct
21

17

0

2
Friday
2nd Oct
17

14

9

1
Saturday
3rd Oct
16

13

11

6

5-day weather forecast updated at 04:00 on Tuesday 29th 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 Tuesday 29th September 2026

Expect scattered clouds in Chicago, Illinois with a maximum temperature of 23°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

23
°C maximum temperature
14
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from S

Chicago weather for Wednesday 30th September 2026

Expect mostly cloudy with rain in Chicago, Illinois with a maximum temperature of 21°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a light breeze of 9 kph from the south.

21
°C maximum temperature
19
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
1
UV index (Low)
47
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
9
kph wind from S

Chicago weather for Thursday 1st October 2026

Expect cloudy with some rain in Chicago, Illinois with a maximum temperature of 21°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and a light breeze of 10 kph from the south-west.

21
°C maximum temperature
17
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
91
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
10
kph wind from SW

Chicago weather for Friday 2nd October 2026

Expect sunshine and showers in Chicago, Illinois with a maximum temperature of 17°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 40% chance of some rain and a light breeze of 12 kph from the north-east.

17
°C maximum temperature
14
°C minimum temperature
sunshine and showers
9
hours of sunshine
1
UV index (Low)
40
% chance of some rain
<10
mm of rainfall expected
17
°C wind chill
12
kph wind from NE

Chicago weather for Saturday 3rd October 2026

Expect scattered clouds in Chicago, Illinois with a maximum temperature of 16°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.