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.

Saturday
8th Aug
28

18

14

7
Sunday
9th Aug
27

18

3

5
Monday
10th Aug
28

20

5

3
Tuesday
11th Aug
27

21

4

5
Wednesday
12th Aug
28

20

7

4

5-day weather forecast updated at 04:03 on Sunday 9th 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 Saturday 8th August 2026

Expect clear skies in Galena, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

28
°C maximum temperature
18
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from NW

Galena weather for Sunday 9th August 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a light breeze of 9 kph from the south-east.

27
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
5
UV index (Moderate)
83
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
9
kph wind from SE

Galena weather for Monday 10th August 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 48% chance of some rain and a light breeze of 7 kph from the south-east.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
3
UV index (Moderate)
48
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
7
kph wind from SE

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 5 (Moderate) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 51% chance of some rain and little or no wind of 6 kph from the east.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
51
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
6
kph wind from E

Galena weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 42% chance of some rain and little or no wind of 5 kph from the north-west.