Marion weather live forecast

Today's maximum temperature in Marion is expected to be 19°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Monday
20th Apr
19

4

13

7
Tuesday
21st Apr
24

10

11

7
Wednesday
22nd Apr
25

13

10

8
Thursday
23rd Apr
25

14

8

8
Friday
24th Apr
23

18

3

2

5-day weather forecast updated at 04:01 on Monday 20th 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 Monday 20th April 2026

Expect clear skies in Marion, Illinois with a maximum temperature of 19°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

19
°C maximum temperature
4
°C minimum temperature
clear skies
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
19
°C wind chill
12
kph wind from NE

Marion weather for Tuesday 21st April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 24°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

24
°C maximum temperature
10
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
24
°C wind chill
24
kph wind from SW

Marion weather for Wednesday 22nd April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

25
°C maximum temperature
13
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Marion weather for Thursday 23rd April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south.

25
°C maximum temperature
14
°C minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
26
kph wind from S

Marion weather for Friday 24th April 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 23°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 21 kph from the south.