Juneau weather live forecast

Today's maximum temperature in Juneau is expected to be 15°C. Select a day from the live weather forecast for Juneau, Alaska, USA for more weather parameters.

Thursday
20th Aug
15

12

0

1
Friday
21st Aug
16

13

1

1
Saturday
22nd Aug
14

11

1

3
Sunday
23rd Aug
14

11

0

2
Monday
24th Aug
16

11

2

5

5-day weather forecast updated at 04:00 on Wednesday 19th 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 Thursday 20th August 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 15°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 83% chance of some rain and a light breeze of 12 kph from the east.

15
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
83
% chance of some rain
<10
mm of rainfall expected
15
°C wind chill
12
kph wind from E

Juneau weather for Friday 21st August 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 16°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 94% chance of some rain and a light breeze of 12 kph from the east.

16
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
1
hour of sunshine
1
UV index (Low)
94
% chance of some rain
<30
mm of rainfall expected
16
°C wind chill
12
kph wind from E

Juneau weather for Saturday 22nd August 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a light breeze of 10 kph from the south.

14
°C maximum temperature
11
°C minimum temperature
cloudy with some rain
1
hour of sunshine
3
UV index (Moderate)
89
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
10
kph wind from S

Juneau weather for Sunday 23rd August 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 14°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a light breeze of 12 kph from the south-east.

14
°C maximum temperature
11
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
97
% chance of some rain
<20
mm of rainfall expected
14
°C wind chill
12
kph wind from SE

Juneau weather for Monday 24th August 2026

Expect mostly cloudy with rain in Juneau, Alaska with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 67% chance of some rain and a light breeze of 11 kph from the east.