Chicago weather live forecast

Today's maximum temperature in Chicago is expected to be 81°F. Select a day from the live weather forecast for Chicago, Illinois, USA for more weather parameters.

Monday
10th Aug
81

72

6

4
Tuesday
11th Aug
77

73

2

3
Wednesday
12th Aug
81

72

6

3
Thursday
13th Aug
77

72

2

2
Friday
14th Aug
75

70

9

6

5-day weather forecast updated at 04:00 on Monday 10th 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 Monday 10th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 55% chance of some rain and a light breeze of 4 mph from the east.

81
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
4
UV index (Moderate)
55
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
4
mph wind from E

Chicago weather for Tuesday 11th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 77°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 81% chance of some rain and little or no wind of 4 mph from the east.

77
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
3
UV index (Moderate)
81
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
4
mph wind from E

Chicago weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 40% chance of some rain and little or no wind of 3 mph from the north-east.

81
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
3
UV index (Moderate)
40
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
3
mph wind from NE

Chicago weather for Thursday 13th August 2026

Expect isolated thunderstorms in Chicago, Illinois with a maximum temperature of 77°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 38% chance of some rain and a light breeze of 4 mph from the north-east.

77
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
2
UV index (Low)
38
% chance of some rain
<20
mm of rainfall expected
77
°F wind chill
4
mph wind from NE

Chicago weather for Friday 14th August 2026

Expect scattered clouds in Chicago, Illinois with a maximum temperature of 75°F, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-east.