30.07
thu
thu
Day
59°F
NW 1 mph
Precip.
23%
23%
Night
54°F
SW 3 mph
Precip.
72%
72%
31.07
fri
fri
Day
57°F
NW 2 mph
Precip.
71%
71%
Night
54°F
N 2 mph
Precip.
53%
53%
01.08
sat
sat
Day
55°F
N 6 mph
Precip.
30%
30%
Night
54°F
N 4 mph
Precip.
48%
48%
02.08
sun
sun
Day
59°F
NE 1 mph
Precip.
36%
36%
Night
52°F
S 2 mph
Precip.
16%
16%
03.08
mon
mon
Day
64°F
SE 6 mph
Precip.
6%
6%
Night
54°F
NE 6 mph
Precip.
13%
13%
04.08
tue
tue
Day
64°F
SE 9 mph
Precip.
3%
3%
Night
54°F
SE 8 mph
Precip.
13%
13%
05.08
wed
wed
Day
64°F
SE 11 mph
Precip.
4%
4%
Night
54°F
SE 8 mph
Precip.
13%
13%
sea water
temperature
temperature
| Ketchikan |
monthly
weather
weather
| Ketchikan |
current
weather
weather
| Ketchikan |
14 days
forecast
forecast
| Ketchikan |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 58.0°F. The highest and lowest sea temperatures during the month were 60.4°F and 55.9°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 59.5°F. The highest and lowest sea temperatures during the month were 61.5°F and 57.7°F.
Air temperature in Ketchikan, °F
Precipitation total in Ketchikan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ketchikan
Ketchikan on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Ketchikan
Local time: 06:16
July 30, thursday
0900
55°F
SW
2 mph
2 mph
1200
59°F
NW
1 mph
1 mph
1500
57°F
NE
2 mph
2 mph
1800
55°F
S
2 mph
2 mph
2100
54°F
SW
2 mph
2 mph
July 31, friday
0000
54°F
SW
3 mph
3 mph
0300
54°F
SW
3 mph
3 mph
0600
54°F
W
4 mph
4 mph
