Marion weather live forecast

Today's maximum temperature in Marion is expected to be 18°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Monday
6th Apr
18

4

12

7
Tuesday
7th Apr
14

6

4

6
Wednesday
8th Apr
23

6

7

6
Thursday
9th Apr
24

13

8

6
Friday
10th Apr
24

16

1

3

5-day weather forecast updated at 04:01 on Monday 6th April 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 6th April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 18°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

18
°C maximum temperature
4
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Marion weather for Tuesday 7th April 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 14°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-east.

14
°C maximum temperature
6
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
14
°C wind chill
19
kph wind from NE

Marion weather for Wednesday 8th April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 23°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

23
°C maximum temperature
6
°C minimum temperature
scattered clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
23
°C wind chill
18
kph wind from S

Marion weather for Thursday 9th April 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 24°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

24
°C maximum temperature
13
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from S

Marion weather for Friday 10th April 2026

Expect mostly cloudy with rain in Marion, Illinois with a maximum temperature of 24°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 14 kph from the south.