Marion weather live forecast

Today's maximum temperature in Marion is expected to be 20°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Thursday
25th Dec
20

17

2

1
Friday
26th Dec
21

15

4

1
Saturday
27th Dec
19

14

2

1
Sunday
28th Dec
18

-2

0

1
Monday
29th Dec
-2

-7

9

2

5-day weather forecast updated at 04:01 on Thursday 25th 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 25th December 2025

Expect broken clouds in Marion, Illinois with a maximum temperature of 20°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

20
°C maximum temperature
17
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
20
°C wind chill
12
kph wind from SW

Marion weather for Friday 26th December 2025

Expect broken clouds in Marion, Illinois with a maximum temperature of 21°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

21
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
21
°C wind chill
15
kph wind from SW

Marion weather for Saturday 27th December 2025

Expect broken clouds in Marion, Illinois with a maximum temperature of 19°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

19
°C maximum temperature
14
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
19
°C wind chill
16
kph wind from S

Marion weather for Sunday 28th December 2025

Expect cloudy with sleet or snow in Marion, Illinois with a maximum temperature of 18°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 86% chance of some sleet or snow and a moderate breeze of 25 kph from the south-west.

18
°C maximum temperature
-2
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
86
% chance of some sleet or snow
<20
mm of sleet/snow expected
18
°C wind chill
25
kph wind from SW

Marion weather for Monday 29th December 2025

Expect clear skies in Marion, Illinois with a maximum temperature of -2°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 23 kph from the north-west.