Galena weather live forecast

Today's maximum temperature in Galena is expected to be 30°C. Select a day from the live weather forecast for Galena, Illinois, USA for more weather parameters.

Sunday
28th Jun
30

19

7

5
Monday
29th Jun
33

25

10

10
Tuesday
30th Jun
34

25

10

9
Wednesday
1st Jul
33

24

10

10
Thursday
2nd Jul
32

24

7

9

5-day weather forecast updated at 04:03 on Sunday 28th June 2026 GMT

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The 5-day weather forecast for Illinois (Galena) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Galena weather forecast by day

Below are the detailed weather forecasts for Galena for the next 5 days.

Galena weather for Sunday 28th June 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 30-40 mm of rainfall expected with 9% chance of some rain and a moderate breeze of 22 kph from the south-east.

30
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
5
UV index (Moderate)
9
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from SE

Galena weather for Monday 29th June 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south.

33
°C maximum temperature
25
°C minimum temperature
scattered clouds
10
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
22
kph wind from S

Galena weather for Tuesday 30th June 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.

34
°C maximum temperature
25
°C minimum temperature
scattered clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from S

Galena weather for Wednesday 1st July 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a gentle breeze of 16 kph from the south-west.

33
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
10
UV index (Very High)
28
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
16
kph wind from SW

Galena weather for Thursday 2nd July 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.