Marion weather live forecast

Today's maximum temperature in Marion is expected to be 11°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Wednesday
17th Dec
11

4

8

2
Thursday
18th Dec
12

-1

0

1
Friday
19th Dec
1

-4

7

2
Saturday
20th Dec
9

0

9

2
Sunday
21st Dec
7

1

9

2

5-day weather forecast updated at 04:01 on Wednesday 17th 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 Wednesday 17th December 2025

Expect broken clouds in Marion, Illinois with a maximum temperature of 11°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

11
°C maximum temperature
4
°C minimum temperature
broken clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
11
°C wind chill
16
kph wind from SW

Marion weather for Thursday 18th December 2025

Expect mostly cloudy with rain in Marion, Illinois with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 22 kph from the south.

12
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
1
UV index (Low)
99
% chance of some rain
<10
mm of rainfall expected
12
°C wind chill
22
kph wind from S

Marion weather for Friday 19th December 2025

Expect scattered clouds in Marion, Illinois with a maximum temperature of 1°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the west.

1
°C maximum temperature
-4
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
-4
°C wind chill
20
kph wind from W

Marion weather for Saturday 20th December 2025

Expect clear skies in Marion, Illinois with a maximum temperature of 9°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.

9
°C maximum temperature
0
°C minimum temperature
clear skies
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
21
kph wind from S

Marion weather for Sunday 21st December 2025

Expect scattered clouds in Marion, Illinois with a maximum temperature of 7°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.