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.

Saturday
5th Sep
18

9

8

3
Sunday
6th Sep
17

11

4

3
Monday
7th Sep
16

11

1

2
Tuesday
8th Sep
14

12

0

1
Wednesday
9th Sep
15

11

3

1

5-day weather forecast updated at 04:00 on Saturday 5th 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 Saturday 5th September 2026

Expect scattered clouds in Juneau, Alaska with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

18
°C maximum temperature
9
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
7
kph wind from NW

Juneau weather for Sunday 6th September 2026

Expect broken clouds in Juneau, Alaska with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-west.

17
°C maximum temperature
11
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
6
kph wind from NW

Juneau weather for Monday 7th September 2026

Expect mostly cloudy with light rain in Juneau, Alaska with a maximum temperature of 16°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a light breeze of 8 kph from the east.

16
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
55
% chance of some rain
<5
mm of rainfall expected
16
°C wind chill
8
kph wind from E

Juneau weather for Tuesday 8th September 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 40-50 mm of rainfall expected with 83% chance of some rain and a light breeze of 11 kph from the south-east.

14
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
83
% chance of some rain
<50
mm of rainfall expected
0
no heat & humidity
11
kph wind from SE

Juneau weather for Wednesday 9th September 2026

Expect mostly cloudy with light rain in Juneau, Alaska with a maximum temperature of 15°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a light breeze of 9 kph from the west.