Current sea water temperature:
+54.1°F
| Minimum sea water temperature in July: | 59.9°F |
| Maximum sea water temperature in July: | 52.2°F |
| Average sea water temperature in July: | 56.0°F |
| more information | |
14 days
forecast
forecast
| Juneau |
monthly
weather
weather
| Juneau |
Sea water temperature for the last 10 days:
| July 21 | 54.1°F | July 16 | 54.1°F |
| July 20 | 53.4°F | July 15 | 53.4°F |
| July 19 | 54.1°F | July 14 | 53.6°F |
| July 18 | 53.4°F | July 13 | 53.2°F |
| July 17 | 53.2°F | July 12 | 53.8°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 August, July and September.
Monthly Sea Temperatures in Juneau, °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 July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 53.6°F. The highest and lowest sea temperatures during the month were 54.5°F and 52.2°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
July
July
| Juneau |
Best time for vacation in Juneau
Juneau on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Juneau
Local time: 05:43
July 21, tuesday
0600

43°F
S
2 mph
2 mph
0900

54°F
E
2 mph
2 mph
1200

57°F
NE
3 mph
3 mph
1500

48°F
NE
2 mph
2 mph
1800

52°F
NE
4 mph
4 mph
2100

45°F
E
3 mph
3 mph
July 22, wednesday
0000

41°F
N
2 mph
2 mph
0300

43°F
NE
2 mph
2 mph




























