Galena weather live forecast

Today's maximum temperature in Galena is expected to be 25°C. Select a day from the live weather forecast for Galena, Illinois, USA for more weather parameters.

Friday
14th Aug
25

20

2

6
Saturday
15th Aug
28

22

2

4
Sunday
16th Aug
26

20

4

5
Monday
17th Aug
26

17

10

7
Tuesday
18th Aug
26

17

10

6

5-day weather forecast updated at 04:03 on Friday 14th 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 Friday 14th August 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 25°C, low levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 15 kph from the east.

25
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
83
% chance of some rain
<40
mm of rainfall expected
L
low heat & humidity
15
kph wind from E

Galena weather for Saturday 15th August 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 50% chance of some rain and a light breeze of 11 kph from the east.

28
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
50
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

Galena weather for Sunday 16th August 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

26
°C maximum temperature
20
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from NW

Galena weather for Monday 17th August 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-west.

26
°C maximum temperature
17
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
5
kph wind from NW

Galena weather for Tuesday 18th August 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a light breeze of 10 kph from the south-west.