Juneau weather live forecast

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

Wednesday
2nd Sep
18

10

9

3
Thursday
3rd Sep
18

10

14

4
Friday
4th Sep
19

9

11

4
Saturday
5th Sep
18

9

10

4
Sunday
6th Sep
17

11

3

2

5-day weather forecast updated at 04:00 on Wednesday 2nd 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 Wednesday 2nd September 2026

Expect scattered clouds in Juneau, Alaska with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

18
°C maximum temperature
10
°C minimum temperature
scattered clouds
9
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
9
kph wind from NW

Juneau weather for Thursday 3rd September 2026

Expect clear skies in Juneau, Alaska with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

18
°C maximum temperature
10
°C minimum temperature
clear skies
14
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
13
kph wind from N

Juneau weather for Friday 4th September 2026

Expect scattered clouds in Juneau, Alaska with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

19
°C maximum temperature
9
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from NE

Juneau weather for Saturday 5th September 2026

Expect scattered clouds in Juneau, Alaska with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the west.

18
°C maximum temperature
9
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
7
kph wind from W

Juneau weather for Sunday 6th September 2026

Expect broken clouds in Juneau, Alaska with a maximum temperature of 17°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.