Marion weather live forecast

Today's maximum temperature in Marion is expected to be 70°F. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Thursday
5th Mar
70

61

2

4
Friday
6th Mar
77

59

5

5
Saturday
7th Mar
72

46

3

3
Sunday
8th Mar
64

41

12

6
Monday
9th Mar
75

46

5

6

5-day weather forecast updated at 04:01 on Thursday 5th March 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 Thursday 5th March 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 70°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 11 mph from the south-west.

70
°F maximum temperature
61
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
88
% chance of some rain
<30
mm of rainfall expected
70
°F wind chill
11
mph wind from SW

Marion weather for Friday 6th March 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south.

77
°F maximum temperature
59
°F minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
77
°F wind chill
16
mph wind from S

Marion weather for Saturday 7th March 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 72°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 14 mph from the south.

72
°F maximum temperature
46
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
3
UV index (Moderate)
86
% chance of some rain
<20
mm of rainfall expected
72
°F wind chill
14
mph wind from S

Marion weather for Sunday 8th March 2026

Expect clear skies in Marion, Illinois with a maximum temperature of 64°F, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.

64
°F maximum temperature
41
°F minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
64
°F wind chill
7
mph wind from S

Marion weather for Monday 9th March 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 75°F, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south.