Galena weather live forecast

Today's maximum temperature in Galena is expected to be 23°C. Select a day from the live weather forecast for Galena, Illinois, USA for more weather parameters.

Friday
26th Jun
23

16

5

6
Saturday
27th Jun
27

14

8

9
Sunday
28th Jun
30

19

4

6
Monday
29th Jun
33

24

10

10
Tuesday
30th Jun
34

25

11

9

5-day weather forecast updated at 04:03 on Friday 26th 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 26th June 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 23°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

23
°C maximum temperature
16
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from E

Galena weather for Saturday 27th June 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 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
14
°C minimum temperature
broken clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from SE

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 6 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a moderate breeze of 20 kph from the south-east.

30
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
21
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
20
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 21 kph from the south.

33
°C maximum temperature
24
°C minimum temperature
scattered clouds
10
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
21
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 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.