Juneau weather live forecast

Today's maximum temperature in Juneau is expected to be 13°C. Select a day from the live weather forecast for Juneau, Alaska, USA for more weather parameters.

Thursday
17th Sep
13

9

3

2
Friday
18th Sep
12

8

1

0
Saturday
19th Sep
13

10

1

1
Sunday
20th Sep
12

9

0

1
Monday
21st Sep
11

8

1

1

5-day weather forecast updated at 04:00 on Thursday 17th September 2026 GMT

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The 5-day weather forecast for Alaska (Juneau) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Juneau weather forecast by day

Below are the detailed weather forecasts for Juneau for the next 5 days.

Juneau weather for Thursday 17th September 2026

Expect broken clouds in Juneau, Alaska with a maximum temperature of 13°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

13
°C maximum temperature
9
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
9
kph wind from SE

Juneau weather for Friday 18th September 2026

Expect mostly cloudy with rain in Juneau, Alaska with a maximum temperature of 12°C and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 16 kph from the east.

12
°C maximum temperature
8
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
100
% chance of some rain
<40
mm of rainfall expected
12
°C wind chill
16
kph wind from E

Juneau weather for Saturday 19th September 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 13°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 17 kph from the south-east.

13
°C maximum temperature
10
°C minimum temperature
cloudy with some rain
1
hour of sunshine
1
UV index (Low)
99
% chance of some rain
<40
mm of rainfall expected
13
°C wind chill
17
kph wind from SE

Juneau weather for Sunday 20th September 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 100% chance of some rain and a gentle breeze of 17 kph from the south-east.

12
°C maximum temperature
9
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
100
% chance of some rain
>50
mm or more of rainfall expected
12
°C wind chill
17
kph wind from SE

Juneau weather for Monday 21st September 2026

Expect mostly cloudy with rain in Juneau, Alaska with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 13 kph from the south-east.