Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 20°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

Thursday
29th Oct
20

15

6

2
Friday
30th Oct
16

13

2

2
Saturday
31st Oct
15

14

0

2
Sunday
1st Nov
19

15

8

2
Monday
2nd Nov
18

16

4

2

5-day weather forecast updated at 04:00 on Friday 30th October 2026 GMT

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Destination

The 5-day weather forecast for Illinois (Chicago) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Illinois destinations

Below are temperatures expected today at popular countries, regions and places in Illinois. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

26
Springfield
20
Chicago

All Illinois destinations

Illinois weather forecast by day

Below are the detailed weather forecasts for Illinois for the next 5 days. The forecasts shown are for Chicago and may not represent the whole of Illinois. Browse more destinations in Illinois to view more weather forecasts.

Illinois weather for Thursday 29th October 2026

Expect sunshine and showers in Illinois with a maximum temperature of 20°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a light breeze of 12 kph from the south-west.

20
°C maximum temperature
15
°C minimum temperature
sunshine and showers
6
hours of sunshine
2
UV index (Low)
16
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from SW

Illinois weather for Friday 30th October 2026

Expect mostly cloudy with light rain in Illinois with a maximum temperature of 16°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a light breeze of 8 kph from the east.

16
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
17
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
8
kph wind from E

Illinois weather for Saturday 31st October 2026

Expect overcast with light rain in Illinois with a maximum temperature of 15°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a light breeze of 9 kph from the south-east.

15
°C maximum temperature
14
°C minimum temperature
overcast with light rain
0
hours of sunshine
2
UV index (Low)
90
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
9
kph wind from SE

Illinois weather for Sunday 1st November 2026

Expect sunshine and showers in Illinois with a maximum temperature of 19°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and little or no wind of 6 kph from the south-east.

19
°C maximum temperature
15
°C minimum temperature
sunshine and showers
8
hours of sunshine
2
UV index (Low)
30
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
6
kph wind from SE

Illinois weather for Monday 2nd November 2026

Expect mostly cloudy with light rain in Illinois with a maximum temperature of 18°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a light breeze of 11 kph from the south-east.