Juneau weather live forecast

Today's maximum temperature in Juneau is expected to be 9°C. Select a day from the live weather forecast for Juneau, Alaska, USA for more weather parameters.

Tuesday
19th May
9

5

1

UV4
Wednesday
20th May
8

6

0

UV3
Thursday
21st May
11

6

0

UV3
Friday
22nd May
8

5

1

UV2
Saturday
23rd May
9

5

1

UV4

5-day weather forecast updated at 04:00 on Tuesday 19th May 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 Tuesday 19th May 2026

Expect mostly cloudy with light rain in Juneau, Alaska with a maximum temperature of 9°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 27% chance of some rain and a gentle breeze of 13 kph from the south-east.

9
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
UV4
UV index (Moderate)
27
% chance of some rain
<5
mm of rainfall expected
7
°C wind chill
13
kph wind from SE

Juneau weather for Wednesday 20th May 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 8°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 98% chance of some rain and a moderate breeze of 23 kph from the east.

8
°C maximum temperature
6
°C minimum temperature
cloudy with some rain
0
hours of sunshine
UV3
UV index (Moderate)
98
% chance of some rain
<30
mm of rainfall expected
4
°C wind chill
23
kph wind from E

Juneau weather for Thursday 21st May 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 14 kph from the south-west.

11
°C maximum temperature
6
°C minimum temperature
cloudy with some rain
0
hours of sunshine
UV3
UV index (Moderate)
73
% chance of some rain
<20
mm of rainfall expected
11
°C wind chill
14
kph wind from SW

Juneau weather for Friday 22nd May 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 8°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 14 kph from the south.

8
°C maximum temperature
5
°C minimum temperature
cloudy with some rain
1
hour of sunshine
UV2
UV index (Low)
92
% chance of some rain
<20
mm of rainfall expected
6
°C wind chill
14
kph wind from S

Juneau weather for Saturday 23rd May 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 9°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and a light breeze of 12 kph from the south-east.