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.

Tuesday
15th Sep
15

9

1

2
Wednesday
16th Sep
13

10

0

1
Thursday
17th Sep
13

10

1

2
Friday
18th Sep
13

9

0

0
Saturday
19th Sep
13

10

0

1

5-day weather forecast updated at 04:00 on Tuesday 15th 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 Tuesday 15th September 2026

Expect mostly cloudy with light rain in Juneau, Alaska with a maximum temperature of 15°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 65% chance of some rain and a light breeze of 8 kph from the south-east.

15
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
65
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
8
kph wind from SE

Juneau weather for Wednesday 16th September 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 13°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 14 kph from the south-east.

13
°C maximum temperature
10
°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
13
°C wind chill
14
kph wind from SE

Juneau weather for Thursday 17th September 2026

Expect broken clouds in Juneau, Alaska with a maximum temperature of 13°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-east.

13
°C maximum temperature
10
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from SE

Juneau weather for Friday 18th September 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 13°C and no hours of bright sunshine. There are 40-50 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 15 kph from the east.

13
°C maximum temperature
9
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
99
% chance of some rain
<50
mm of rainfall expected
13
°C wind chill
15
kph wind from E

Juneau weather for Saturday 19th September 2026

Expect cloudy with some rain in Juneau, Alaska with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 14 kph from the south-east.