Marion weather live forecast

Today's maximum temperature in Marion is expected to be 27°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Wednesday
1st Apr
27

19

3

5
Thursday
2nd Apr
25

19

3

6
Friday
3rd Apr
26

19

4

3
Saturday
4th Apr
21

11

1

3
Sunday
5th Apr
13

5

8

7

5-day weather forecast updated at 04:01 on Wednesday 1st April 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 Wednesday 1st April 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

27
°C maximum temperature
19
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from SW

Marion weather for Thursday 2nd April 2026

Expect mostly cloudy with light rain in Marion, Illinois with a maximum temperature of 25°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a fresh breeze of 33 kph from the south.

25
°C maximum temperature
19
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
6
UV index (High)
54
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
33
kph wind from S

Marion weather for Friday 3rd April 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 26°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a moderate breeze of 24 kph from the south.

26
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
3
UV index (Moderate)
52
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
24
kph wind from S

Marion weather for Saturday 4th April 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 21 kph from the south.

21
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
3
UV index (Moderate)
97
% chance of some rain
<30
mm of rainfall expected
21
°C wind chill
21
kph wind from S

Marion weather for Sunday 5th April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 13°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.