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.

Monday
17th Aug
15

13

0

1
Tuesday
18th Aug
15

12

0

2
Wednesday
19th Aug
15

12

0

1
Thursday
20th Aug
15

13

2

1
Friday
21st Aug
16

13

0

1

5-day weather forecast updated at 04:00 on Monday 17th 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 17th 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 10-20 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 16 kph from the south-east.

15
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
99
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
16
kph wind from SE

Juneau weather for Tuesday 18th August 2026

Expect mostly cloudy with light rain in Juneau, Alaska with a maximum temperature of 15°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 38% chance of some rain and a light breeze of 9 kph from the south.

15
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
38
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
9
kph wind from S

Juneau weather for Wednesday 19th August 2026

Expect overcast with light rain in Juneau, Alaska with a maximum temperature of 15°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a light breeze of 10 kph from the south-east.

15
°C maximum temperature
12
°C minimum temperature
overcast with light rain
0
hours of sunshine
1
UV index (Low)
61
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
10
kph wind from SE

Juneau weather for Thursday 20th August 2026

Expect mostly cloudy with rain in Juneau, Alaska with a maximum temperature of 15°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a light breeze of 10 kph from the east.

15
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
85
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
10
kph wind from E

Juneau weather for Friday 21st August 2026

Expect overcast with light rain in Juneau, Alaska with a maximum temperature of 16°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a light breeze of 10 kph from the south-west.