Galena weather live forecast

Today's maximum temperature in Galena is expected to be 26°C. Select a day from the live weather forecast for Galena, Illinois, USA for more weather parameters.

Sunday
24th May
26

13

12

UV7
Monday
25th May
29

13

9

UV8
Tuesday
26th May
30

16

11

UV8
Wednesday
27th May
28

18

10

UV6
Thursday
28th May
27

16

12

UV8

5-day weather forecast updated at 04:02 on Sunday 24th 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 Sunday 24th May 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 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.

26
°C maximum temperature
13
°C minimum temperature
scattered clouds
12
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
6
kph wind from W

Galena weather for Monday 25th May 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

29
°C maximum temperature
13
°C minimum temperature
scattered clouds
9
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from S

Galena weather for Tuesday 26th May 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

30
°C maximum temperature
16
°C minimum temperature
scattered clouds
11
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from S

Galena weather for Wednesday 27th May 2026

Expect isolated thunderstorms in Galena, Illinois with a maximum temperature of 28°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 48% chance of some rain and a light breeze of 11 kph from the east.

28
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
UV6
UV index (High)
48
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
11
kph wind from E

Galena weather for Thursday 28th May 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.