Galena weather live forecast

Today's maximum temperature in Galena is expected to be 31°C. Select a day from the live weather forecast for Galena, Illinois, USA for more weather parameters.

Saturday
18th Jul
31

22

10

8
Sunday
19th Jul
29

19

7

8
Monday
20th Jul
30

21

5

8
Tuesday
21st Jul
28

20

8

9
Wednesday
22nd Jul
25

16

10

9

5-day weather forecast updated at 04:03 on Saturday 18th July 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 Saturday 18th July 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

31
°C maximum temperature
22
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from N

Galena weather for Sunday 19th July 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-east.

29
°C maximum temperature
19
°C minimum temperature
broken clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from SE

Galena weather for Monday 20th July 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

30
°C maximum temperature
21
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from S

Galena weather for Tuesday 21st July 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 16% chance of some rain and a moderate breeze of 23 kph from the north-west.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
16
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
23
kph wind from NW

Galena weather for Wednesday 22nd July 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.