Marion weather live forecast

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

Friday
8th May
23

9

11

7
Saturday
9th May
25

13

10

8
Sunday
10th May
21

12

4

3
Monday
11th May
19

9

13

7
Tuesday
12th May
24

8

9

7

5-day weather forecast updated at 04:01 on Friday 8th May 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 Friday 8th May 2026

Expect sunshine and showers in Marion, Illinois with a maximum temperature of 23°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a moderate breeze of 21 kph from the south-west.

23
°C maximum temperature
9
°C minimum temperature
sunshine and showers
11
hours of sunshine
7
UV index (High)
56
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Marion weather for Saturday 9th May 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 13% chance of some rain and a light breeze of 12 kph from the west.

25
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
8
UV index (Very High)
13
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
12
kph wind from W

Marion weather for Sunday 10th May 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

21
°C maximum temperature
12
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
15
kph wind from N

Marion weather for Monday 11th May 2026

Expect scattered clouds 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 gentle breeze of 14 kph from the north.

19
°C maximum temperature
9
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
19
°C wind chill
14
kph wind from N

Marion weather for Tuesday 12th May 2026

Expect sunshine and showers in Marion, Illinois with a maximum temperature of 24°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a moderate breeze of 23 kph from the south-west.