Champaign weather live forecast

Today's maximum temperature in Champaign is expected to be 29°C. Select a day from the live weather forecast for Champaign, Illinois, USA for more weather parameters.

Saturday
15th Aug
29

23

4

5
Sunday
16th Aug
28

22

4

5
Monday
17th Aug
27

19

9

8
Tuesday
18th Aug
28

18

11

8
Wednesday
19th Aug
27

19

5

7

5-day weather forecast updated at 04:01 on Saturday 15th August 2026 GMT

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

Champaign weather forecast by day

Below are the detailed weather forecasts for Champaign for the next 5 days.

Champaign weather for Saturday 15th August 2026

Expect isolated thunderstorms in Champaign, Illinois with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and little or no wind of 6 kph from the south-west.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
58
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from SW

Champaign weather for Sunday 16th August 2026

Expect isolated thunderstorms in Champaign, Illinois with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and little or no wind of 6 kph from the west.

28
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
65
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from W

Champaign weather for Monday 17th August 2026

Expect scattered clouds in Champaign, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

27
°C maximum temperature
19
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
5
kph wind from N

Champaign weather for Tuesday 18th August 2026

Expect scattered clouds in Champaign, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south.

28
°C maximum temperature
18
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
4
kph wind from S

Champaign weather for Wednesday 19th August 2026

Expect isolated thunderstorms in Champaign, 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 61% chance of some rain and a light breeze of 8 kph from the south-west.