Marion weather live forecast

Today's maximum temperature in Marion is expected to be 57°F. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Thursday
18th Dec
57

30

0

1
Friday
19th Dec
37

28

9

2
Saturday
20th Dec
54

34

7

2
Sunday
21st Dec
43

34

7

2
Monday
22nd Dec
48

34

2

1

5-day weather forecast updated at 04:02 on Friday 19th December 2025 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 Thursday 18th December 2025

Expect mostly cloudy with rain in Marion, Illinois with a maximum temperature of 57°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 16 mph from the south.

57
°F maximum temperature
30
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
1
UV index (Low)
100
% chance of some rain
<20
mm of rainfall expected
57
°F wind chill
16
mph wind from S

Marion weather for Friday 19th December 2025

Expect scattered clouds in Marion, Illinois with a maximum temperature of 37°F, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the west.

37
°F maximum temperature
28
°F minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
30
°F wind chill
13
mph wind from W

Marion weather for Saturday 20th December 2025

Expect scattered clouds in Marion, Illinois with a maximum temperature of 54°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.

54
°F maximum temperature
34
°F minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
54
°F wind chill
13
mph wind from S

Marion weather for Sunday 21st December 2025

Expect scattered clouds in Marion, Illinois with a maximum temperature of 43°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north.

43
°F maximum temperature
34
°F minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
41
°F wind chill
5
mph wind from N

Marion weather for Monday 22nd December 2025

Expect mostly cloudy with light rain in Marion, Illinois with a maximum temperature of 48°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a light breeze of 7 mph from the south.