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.

Monday
10th Aug
31

22

9

5
Tuesday
11th Aug
27

22

3

4
Wednesday
12th Aug
28

20

5

5
Thursday
13th Aug
25

20

1

2
Friday
14th Aug
25

19

3

5

5-day weather forecast updated at 04:03 on Tuesday 11th August 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 Monday 10th August 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

31
°C maximum temperature
22
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from E

Galena weather for Tuesday 11th August 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and little or no wind of 6 kph from the east.

27
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
72
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
6
kph wind from E

Galena weather for Wednesday 12th August 2026

Expect broken clouds 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 0 mm of rainfall expected and little or no wind of 4 kph from the east.

28
°C maximum temperature
20
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
4
kph wind from E

Galena weather for Thursday 13th August 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 25°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and little or no wind of 6 kph from the north-east.

25
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
2
UV index (Low)
65
% chance of some rain
<10
mm of rainfall expected
25
°C wind chill
6
kph wind from NE

Galena weather for Friday 14th August 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 16 kph from the east.