Marion weather live forecast

Today's maximum temperature in Marion is expected to be 27°C. Select a day from the live weather forecast for Marion, Illinois, USA for more weather parameters.

Sunday
26th Apr
27

12

7

8
Monday
27th Apr
28

17

5

6
Tuesday
28th Apr
25

16

6

6
Wednesday
29th Apr
19

10

12

8
Thursday
30th Apr
20

8

7

8

5-day weather forecast updated at 04:01 on Sunday 26th 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 26th April 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

27
°C maximum temperature
12
°C minimum temperature
scattered clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from SE

Marion weather for Monday 27th April 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a fresh breeze of 32 kph from the south.

28
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
98
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
32
kph wind from S

Marion weather for Tuesday 28th April 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 25°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 96% chance of some rain and a gentle breeze of 17 kph from the south-west.

25
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
96
% chance of some rain
<30
mm of rainfall expected
25
°C wind chill
17
kph wind from SW

Marion weather for Wednesday 29th April 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 19°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 2-5 mm of rainfall expected with 20% chance of some rain and a moderate breeze of 21 kph from the north-west.

19
°C maximum temperature
10
°C minimum temperature
isolated thunderstorms
12
hours of sunshine
8
UV index (Very High)
20
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
kph wind from NW

Marion weather for Thursday 30th April 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.