Marion weather live forecast

Today's maximum temperature in Marion is expected to be 13°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Monday
23rd Mar
13

3

7

6
Tuesday
24th Mar
17

6

10

5
Wednesday
25th Mar
23

7

6

7
Thursday
26th Mar
28

17

12

8
Friday
27th Mar
21

5

4

2

5-day weather forecast updated at 04:01 on Monday 23rd March 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 Monday 23rd March 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 13°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north.

13
°C maximum temperature
3
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
13
°C wind chill
26
kph wind from N

Marion weather for Tuesday 24th March 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

17
°C maximum temperature
6
°C minimum temperature
scattered clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
14
kph wind from E

Marion weather for Wednesday 25th March 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 23°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

23
°C maximum temperature
7
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
23
°C wind chill
19
kph wind from S

Marion weather for Thursday 26th March 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

28
°C maximum temperature
17
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
25
kph wind from SW

Marion weather for Friday 27th March 2026

Expect mostly cloudy with rain in Marion, Illinois with a maximum temperature of 21°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 23 kph from the north.