Marion weather live forecast

Today's maximum temperature in Marion is expected to be 0°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Sunday
18th Jan
0

-9

5

2
Monday
19th Jan
-3

-11

8

2
Tuesday
20th Jan
1

-12

7

2
Wednesday
21st Jan
7

-2

9

1
Thursday
22nd Jan
4

-4

2

0

5-day weather forecast updated at 04:02 on Saturday 17th January 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 Sunday 18th January 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 0°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 20 kph from the south-west.

0
°C maximum temperature
-9
°C minimum temperature
scattered clouds
5
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-5
°C wind chill
20
kph wind from SW

Marion weather for Monday 19th January 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of -3°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 20 kph from the north-west.

-3
°C maximum temperature
-11
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-10
°C wind chill
20
kph wind from NW

Marion weather for Tuesday 20th January 2026

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 21 kph from the south.

1
°C maximum temperature
-12
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
-4
°C wind chill
21
kph wind from S

Marion weather for Wednesday 21st January 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 7°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

7
°C maximum temperature
-2
°C minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
21
kph wind from SW

Marion weather for Thursday 22nd January 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 4°C and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.