Marion weather live forecast

Today's maximum temperature in Marion is expected to be 19°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Saturday
28th Feb
19

8

5

4
Sunday
1st Mar
10

2

4

3
Monday
2nd Mar
7

2

0

1
Tuesday
3rd Mar
19

8

3

2
Wednesday
4th Mar
16

11

0

1

5-day weather forecast updated at 04:02 on Saturday 28th February 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 Saturday 28th February 2026

Expect sunshine and showers in Marion, Illinois with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 12 kph from the south.

19
°C maximum temperature
8
°C minimum temperature
sunshine and showers
5
hours of sunshine
4
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from S

Marion weather for Sunday 1st March 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.

10
°C maximum temperature
2
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
7
°C wind chill
18
kph wind from NE

Marion weather for Monday 2nd March 2026

Expect cloudy with some rain in Marion, Illinois with a maximum temperature of 7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 18 kph from the east.

7
°C maximum temperature
2
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
76
% chance of some rain
<20
mm of rainfall expected
4
°C wind chill
18
kph wind from E

Marion weather for Tuesday 3rd March 2026

Expect mostly cloudy with rain in Marion, Illinois with a maximum temperature of 19°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a moderate breeze of 22 kph from the south.

19
°C maximum temperature
8
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
2
UV index (Low)
75
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
22
kph wind from S

Marion weather for Wednesday 4th March 2026

Expect cloudy with some rain in Marion, Illinois with a maximum temperature of 16°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 15 kph from the south.