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.

Wednesday
23rd Sep
18

10

7

2
Thursday
24th Sep
19

11

3

6
Friday
25th Sep
18

13

3

4
Saturday
26th Sep
16

11

8

5
Sunday
27th Sep
18

12

0

4

5-day weather forecast updated at 04:03 on Wednesday 23rd September 2026 GMT

More about Galena

Galena by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Illinois

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 23rd September 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 18°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

18
°C maximum temperature
10
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from E

Galena weather for Thursday 24th September 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 19°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.

19
°C maximum temperature
11
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
19
°C wind chill
7
kph wind from E

Galena weather for Friday 25th September 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

18
°C maximum temperature
13
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from E

Galena weather for Saturday 26th September 2026

Expect scattered clouds in Galena, Illinois with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

16
°C maximum temperature
11
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SE

Galena weather for Sunday 27th September 2026

Expect broken clouds in Galena, Illinois with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-east.