Juneau weather live forecast

Today's maximum temperature in Juneau is expected to be 12°C. Select a day from the live weather forecast for Juneau, Alaska, USA for more weather parameters.

Monday
31st Aug
12

10

0

1
Tuesday
1st Sep
15

10

7

3
Wednesday
2nd Sep
15

10

1

4
Thursday
3rd Sep
17

9

7

4
Friday
4th Sep
19

8

13

4

5-day weather forecast updated at 04:00 on Monday 31st August 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 Monday 31st August 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 30-40 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 15 kph from the south-east.

12
°C maximum temperature
10
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
100
% chance of some rain
<40
mm of rainfall expected
12
°C wind chill
15
kph wind from SE

Juneau weather for Tuesday 1st September 2026

Expect sunshine and showers in Juneau, Alaska with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and a light breeze of 12 kph from the east.

15
°C maximum temperature
10
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
71
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
12
kph wind from E

Juneau weather for Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Juneau, Alaska with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a light breeze of 10 kph from the north.

15
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
33
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
10
kph wind from N

Juneau weather for Thursday 3rd September 2026

Expect sunshine and showers in Juneau, Alaska with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a light breeze of 12 kph from the north.

17
°C maximum temperature
9
°C minimum temperature
sunshine and showers
7
hours of sunshine
4
UV index (Moderate)
6
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
12
kph wind from N

Juneau weather for Friday 4th September 2026

Expect clear skies in Juneau, Alaska with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.