Marion weather live forecast

Today's maximum temperature in Marion is expected to be 32°F. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Sunday
18th Jan
32

16

5

2
Monday
19th Jan
27

12

8

2
Tuesday
20th Jan
34

10

7

2
Wednesday
21st Jan
45

28

9

1
Thursday
22nd Jan
39

25

2

0

5-day weather forecast updated at 04:02 on Saturday 17th January 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 Sunday 18th January 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 32°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 12 mph from the south-west.

32
°F maximum temperature
16
°F minimum temperature
scattered clouds
5
hours of sunshine
2
UV index (Low)
0
cm of snow expected
23
°F wind chill
12
mph wind from SW

Marion weather for Monday 19th January 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 27°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 12 mph from the north-west.

27
°F maximum temperature
12
°F minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
cm of snow expected
14
°F wind chill
12
mph wind from NW

Marion weather for Tuesday 20th January 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 34°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south.

34
°F maximum temperature
10
°F minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
25
°F wind chill
13
mph wind from S

Marion weather for Wednesday 21st January 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 45°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-west.

45
°F maximum temperature
28
°F minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
39
°F wind chill
13
mph wind from SW

Marion weather for Thursday 22nd January 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 39°F and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north.