Current sea water temperature:
+41.2°F
| Minimum sea water temperature in April: | 46.6°F |
| Maximum sea water temperature in April: | 36.9°F |
| Average sea water temperature in April: | 40.4°F |
| more information | |
14 days
forecast
forecast
| Juneau |
monthly
weather
weather
| Juneau |
Sea water temperature for the last 10 days:
| April 28 | 41.2°F | April 23 | 39.9°F |
| April 27 | 41.0°F | April 22 | 40.5°F |
| April 26 | 40.5°F | April 21 | 40.5°F |
| April 25 | 40.5°F | April 20 | 39.9°F |
| April 24 | 39.9°F | April 19 | 39.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Juneau?
Based on the data about daily sea water temperature for the last three years the warmest sea in Juneau was noticed in July, August and September.
Monthly Sea Temperatures in Juneau, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 54.3°F. The highest and lowest sea temperatures during the month were 56.5°F and 52.3°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 56.0°F. The highest and lowest sea temperatures during the month were 57.9°F and 54.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 53.4°F. The highest and lowest sea temperatures during the month were 58.3°F and 49.3°F.
current
weather
weather
| Juneau |
weather in
May
May
| Juneau |
Best time for vacation in Juneau
Juneau on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Juneau
Local time: 09:38
April 28, tuesday
1200
45°F
N
2 mph
2 mph
1500
46°F
NW
3 mph
3 mph
1800
39°F
NW
4 mph
4 mph
2100
34°F
W
3 mph
3 mph
April 29, wednesday
0000
36°F
NW
3 mph
3 mph
0300
34°F
W
3 mph
3 mph
0600
34°F
W
4 mph
4 mph
0900
39°F
W
5 mph
5 mph
