Galena weather live forecast

Today's maximum temperature in Galena is expected to be 18°C. Select a day from the live weather forecast for Galena, Illinois, USA for more weather parameters.

Monday
11th May
18

4

12

7
Tuesday
12th May
25

8

10

7
Wednesday
13th May
18

8

5

3
Thursday
14th May
21

5

7

7
Friday
15th May
27

13

9

4

5-day weather forecast updated at 04:02 on Monday 11th May 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 11th May 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 18°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-east.

18
°C maximum temperature
4
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
18
°C wind chill
10
kph wind from NE

Galena weather for Tuesday 12th May 2026

Expect sunshine and showers in Galena, Illinois with a maximum temperature of 25°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 37% chance of some rain and a moderate breeze of 26 kph from the south-west.

25
°C maximum temperature
8
°C minimum temperature
sunshine and showers
10
hours of sunshine
7
UV index (High)
37
% chance of some rain
<5
mm of rainfall expected
25
°C wind chill
26
kph wind from SW

Galena weather for Wednesday 13th May 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-west.

18
°C maximum temperature
8
°C minimum temperature
scattered clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
25
kph wind from NW

Galena weather for Thursday 14th May 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 21°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

21
°C maximum temperature
5
°C minimum temperature
broken clouds
7
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from SE

Galena weather for Friday 15th May 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 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a moderate breeze of 21 kph from the south.