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
8th Jan
20

9

1

1
Friday
9th Jan
17

7

6

2
Saturday
10th Jan
9

1

2

1
Sunday
11th Jan
3

-4

10

1
Monday
12th Jan
8

-4

10

2

5-day weather forecast updated at 04:01 on Thursday 8th January 2026 GMT

More about Marion

Marion by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Illinois

TUI sale: 10% off 2026/2027 holidays

Discount Code

Save 10% on 2026/2027 holidays in biggest ever TUI sale
Max discount £500. T&Cs apply. £500 min spend
Travel between 1st May 2026 & 31st Oct 2027 (inclusive)

Show discount code

******ALE

Redeem TUI discount code >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUI deal finder

Destination

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 8th January 2026

Expect mostly cloudy with light rain in Marion, Illinois with a maximum temperature of 20°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 87% chance of some rain and a fresh breeze of 29 kph from the south.

20
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
87
% chance of some rain
<5
mm of rainfall expected
20
°C wind chill
29
kph wind from S

Marion weather for Friday 9th January 2026

Expect sunshine and showers in Marion, Illinois with a maximum temperature of 17°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 25 kph from the south-west.

17
°C maximum temperature
7
°C minimum temperature
sunshine and showers
6
hours of sunshine
2
UV index (Low)
27
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
25
kph wind from SW

Marion weather for Saturday 10th January 2026

Expect mostly cloudy with light rain in Marion, Illinois with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 23 kph from the north-west.

9
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
23
kph wind from NW

Marion weather for Sunday 11th January 2026

Expect sunshine and showers in Marion, Illinois with a maximum temperature of 3°C, maximum UV of 1 (Low) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a moderate breeze of 22 kph from the north-west.

3
°C maximum temperature
-4
°C minimum temperature
sunshine and showers
10
hours of sunshine
1
UV index (Low)
2
% chance of some rain
<2
mm of rainfall expected
-2
°C wind chill
22
kph wind from NW

Marion weather for Monday 12th January 2026

Expect clear skies in Marion, Illinois with a maximum temperature of 8°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.