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.

Sunday
19th Apr
18

3

12

7
Monday
20th Apr
19

5

12

7
Tuesday
21st Apr
25

10

11

7
Wednesday
22nd Apr
26

13

9

8
Thursday
23rd Apr
28

15

7

7

5-day weather forecast updated at 04:01 on Sunday 19th 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 Sunday 19th 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 19 kph from the west.

18
°C maximum temperature
3
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
18
°C wind chill
19
kph wind from W

Marion weather for Monday 20th April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 19°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

19
°C maximum temperature
5
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
19
°C wind chill
12
kph wind from NE

Marion weather for Tuesday 21st April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 25°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

25
°C maximum temperature
10
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Marion weather for Wednesday 22nd April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

26
°C maximum temperature
13
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from SW

Marion weather for Thursday 23rd April 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south.