Galena weather live forecast

Today's maximum temperature in Galena is expected to be 4°C. Select a day from the live weather forecast for Galena, Illinois, USA for more weather parameters.

Wednesday
17th Dec
4

-1

9

2
Thursday
18th Dec
5

-11

2

1
Friday
19th Dec
-4

-12

4

1
Saturday
20th Dec
2

-4

4

1
Sunday
21st Dec
-4

-9

9

1

5-day weather forecast updated at 04:03 on Thursday 18th December 2025 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 December 2025

Expect scattered clouds in Galena, Illinois with a maximum temperature of 4°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

4
°C maximum temperature
-1
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
°C wind chill
18
kph wind from NW

Galena weather for Thursday 18th December 2025

Expect mostly cloudy with light rain in Galena, Illinois with a maximum temperature of 5°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 29 kph from the west.

5
°C maximum temperature
-11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
75
% chance of some rain
<5
mm of rainfall expected
0
°C wind chill
29
kph wind from W

Galena weather for Friday 19th December 2025

Expect broken clouds in Galena, Illinois with a maximum temperature of -4°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 26 kph from the north-west.

-4
°C maximum temperature
-12
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-11
°C wind chill
26
kph wind from NW

Galena weather for Saturday 20th December 2025

Expect broken clouds in Galena, Illinois with a maximum temperature of 2°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

2
°C maximum temperature
-4
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-2
°C wind chill
16
kph wind from NW

Galena weather for Sunday 21st December 2025

Expect clear skies with flurries of snow in Galena, Illinois with a maximum temperature of -4°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0-2 cm of snow expected with 25% chance of some snow and a light breeze of 12 kph from the north-west.