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.

Wednesday
3rd Jun
27

13

12

9
Thursday
4th Jun
28

17

10

7
Friday
5th Jun
29

17

12

9
Saturday
6th Jun
28

21

1

9
Sunday
7th Jun
27

22

1

9

5-day weather forecast updated at 04:01 on Wednesday 3rd June 2026 GMT

More about Marion

Marion by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Illinois

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 Wednesday 3rd June 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

27
°C maximum temperature
13
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from SE

Marion weather for Thursday 4th June 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

28
°C maximum temperature
17
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from S

Marion weather for Friday 5th June 2026

Expect scattered clouds in Marion, Illinois with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

29
°C maximum temperature
17
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
18
kph wind from S

Marion weather for Saturday 6th June 2026

Expect broken clouds in Marion, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

28
°C maximum temperature
21
°C minimum temperature
broken clouds
1
hour of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from SW

Marion weather for Sunday 7th June 2026

Expect isolated thunderstorms in Marion, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 64% chance of some rain and a light breeze of 11 kph from the south.