Galena weather live forecast

Today's maximum temperature in Galena is expected to be 20°C. Select a day from the live weather forecast for Galena, Illinois, USA for more weather parameters.

Wednesday
17th Jun
20

14

1

6
Thursday
18th Jun
22

14

8

6
Friday
19th Jun
24

12

13

8
Saturday
20th Jun
25

15

7

8
Sunday
21st Jun
23

16

7

8

5-day weather forecast updated at 04:03 on Wednesday 17th 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 Wednesday 17th June 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 20°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 20 kph from the south-east.

20
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
100
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
20
kph wind from SE

Galena weather for Thursday 18th June 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 22°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

22
°C maximum temperature
14
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
18
kph wind from NW

Galena weather for Friday 19th June 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

24
°C maximum temperature
12
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
24
°C wind chill
11
kph wind from NW

Galena weather for Saturday 20th June 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a light breeze of 8 kph from the west.

25
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
33
% chance of some rain
<5
mm of rainfall expected
25
°C wind chill
8
kph wind from W

Galena weather for Sunday 21st June 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and a light breeze of 12 kph from the east.