Champaign weather live forecast

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

Friday
15th May
23

12

6

5
Saturday
16th May
27

17

5

5
Sunday
17th May
30

19

9

9
Monday
18th May
28

21

6

7
Tuesday
19th May
26

18

5

5

5-day weather forecast updated at 04:01 on Friday 15th May 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 Friday 15th May 2026

Expect sunshine and showers in Champaign, Illinois with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 50% chance of some rain and a light breeze of 12 kph from the south.

23
°C maximum temperature
12
°C minimum temperature
sunshine and showers
6
hours of sunshine
5
UV index (Moderate)
50
% chance of some rain
<10
mm of rainfall expected
23
°C wind chill
12
kph wind from S

Champaign weather for Saturday 16th May 2026

Expect isolated thunderstorms in Champaign, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 50% chance of some rain and a light breeze of 9 kph from the south-west.

27
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
50
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
9
kph wind from SW

Champaign weather for Sunday 17th May 2026

Expect scattered clouds in Champaign, Illinois with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

30
°C maximum temperature
19
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from S

Champaign weather for Monday 18th May 2026

Expect broken clouds in Champaign, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

28
°C maximum temperature
21
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from S

Champaign weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Champaign, Illinois with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 14 kph from the south-west.