Galena weather live forecast

Today's maximum temperature in Galena is expected to be 28°C. Select a day from the live weather forecast for Galena, Illinois, USA for more weather parameters.

Friday
5th Jun
28

19

5

5
Saturday
6th Jun
30

19

7

8
Sunday
7th Jun
29

19

9

6
Monday
8th Jun
26

20

2

7
Tuesday
9th Jun
30

21

6

9

5-day weather forecast updated at 04:02 on Friday 5th 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 Friday 5th June 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 15 kph from the south-west.

28
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
91
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
15
kph wind from SW

Galena weather for Saturday 6th June 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and little or no wind of 4 kph from the west.

30
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
32
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
4
kph wind from W

Galena weather for Sunday 7th June 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a light breeze of 12 kph from the south-east.

29
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
6
UV index (High)
74
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SE

Galena weather for Monday 8th June 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 15 kph from the south-east.

26
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
7
UV index (High)
83
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
15
kph wind from SE

Galena weather for Tuesday 9th June 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a light breeze of 10 kph from the south.