Marion weather live forecast

Today's maximum temperature in Marion is expected to be 14°F. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Sunday
14th Dec
14

10

9

2
Monday
15th Dec
32

10

10

2
Tuesday
16th Dec
43

27

10

2
Wednesday
17th Dec
48

37

0

2
Thursday
18th Dec
55

34

3

1

5-day weather forecast updated at 04:01 on Sunday 14th 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 Sunday 14th December 2025

Expect clear skies in Marion, Illinois with a maximum temperature of 14°F, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 11 mph from the north.

14
°F maximum temperature
10
°F minimum temperature
clear skies
9
hours of sunshine
2
UV index (Low)
0
cm of snow expected
1
°F wind chill
11
mph wind from N

Marion weather for Monday 15th December 2025

Expect clear skies in Marion, Illinois with a maximum temperature of 32°F, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 11 mph from the south-west.

32
°F maximum temperature
10
°F minimum temperature
clear skies
10
hours of sunshine
2
UV index (Low)
0
cm of snow expected
25
°F wind chill
11
mph wind from SW

Marion weather for Tuesday 16th December 2025

Expect clear skies in Marion, Illinois with a maximum temperature of 43°F, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south.

43
°F maximum temperature
27
°F minimum temperature
clear skies
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
37
°F wind chill
9
mph wind from S

Marion weather for Wednesday 17th December 2025

Expect broken clouds in Marion, Illinois with a maximum temperature of 48°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south.

48
°F maximum temperature
37
°F minimum temperature
broken clouds
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
45
°F wind chill
10
mph wind from S

Marion weather for Thursday 18th December 2025

Expect mostly cloudy with light rain in Marion, Illinois with a maximum temperature of 55°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 14 mph from the south.