19.05
tue
tue
Day
45°F
N 3 mph
Precip.
100%
100%
Night
41°F
NW 4 mph
Precip.
100%
100%
20.05
wed
wed
Day
43°F
W 7 mph
Precip.
100%
100%
Night
43°F
NW 6 mph
Precip.
100%
100%
21.05
thu
thu
Day
46°F
NE 6 mph
Precip.
100%
100%
Night
39°F
N 4 mph
Precip.
100%
100%
22.05
fri
fri
Day
41°F
N 6 mph
Precip.
100%
100%
Night
39°F
N 1 mph
Precip.
100%
100%
23.05
sat
sat
Day
43°F
N 6 mph
Precip.
100%
100%
Night
36°F
W 4 mph
Precip.
100%
100%
24.05
sun
sun
Day
45°F
W 3 mph
Precip.
77%
77%
Night
34°F
W 3 mph
Precip.
0%
0%
25.05
mon
mon
Day
45°F
NE 3 mph
Precip.
100%
100%
Night
36°F
N 5 mph
Precip.
100%
100%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 43.4°F. The highest and lowest sea temperatures during the month were 45.5°F and 41.5°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 49.7°F. The highest and lowest sea temperatures during the month were 53.2°F and 46.8°F.
Air temperature in Juneau, °F
Precipitation total in Juneau, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Juneau
Juneau on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Juneau
Local time: 04:30
May 19, tuesday
0600
39°F
N
4 mph
4 mph
0900
43°F
N
4 mph
4 mph
1200
45°F
N
3 mph
3 mph
1500
45°F
N
3 mph
3 mph
1800
45°F
NW
2 mph
2 mph
2100
43°F
NW
2 mph
2 mph
May 20, wednesday
0000
41°F
NW
4 mph
4 mph
0300
39°F
W
4 mph
4 mph
