Marion weather live forecast

Today's maximum temperature in Marion is expected to be 28°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Tuesday
31st Mar
28

19

8

7
Wednesday
1st Apr
26

19

4

6
Thursday
2nd Apr
26

19

3

5
Friday
3rd Apr
25

19

5

4
Saturday
4th Apr
22

13

3

6

5-day weather forecast updated at 04:01 on Tuesday 31st March 2026 GMT

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

Marion weather forecast by day

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

Marion weather for Tuesday 31st March 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-west.

28
°C maximum temperature
19
°C minimum temperature
scattered clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
31
kph wind from SW

Marion weather for Wednesday 1st April 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

26
°C maximum temperature
19
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from S

Marion weather for Thursday 2nd April 2026

Expect mostly cloudy with light rain in Marion, Illinois with a maximum temperature of 26°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a fresh breeze of 31 kph from the south.

26
°C maximum temperature
19
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
84
% chance of some rain
<5
mm of rainfall expected
26
°C wind chill
31
kph wind from S

Marion weather for Friday 3rd April 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 23 kph from the south.

25
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
66
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
23
kph wind from S

Marion weather for Saturday 4th April 2026

Expect mostly cloudy with rain in Marion, Illinois with a maximum temperature of 22°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 85% chance of some rain and a moderate breeze of 25 kph from the south.