18.03
wed
wed
Day
39°F
N 7 mph
Precip.
0%
0%
Night
32°F
NE 11 mph
Precip.
0%
0%
19.03
thu
thu
Day
36°F
NE 11 mph
Precip.
0%
0%
Night
32°F
W 4 mph
Precip.
100%
100%
20.03
fri
fri
Day
36°F
N 4 mph
Precip.
100%
100%
Night
34°F
W 7 mph
Precip.
0%
0%
21.03
sat
sat
Day
34°F
NW 19 mph
Precip.
100%
100%
Night
34°F
N 11 mph
Precip.
100%
100%
22.03
sun
sun
Day
34°F
N 9 mph
Precip.
100%
100%
Night
32°F
W 18 mph
Precip.
100%
100%
23.03
mon
mon
Day
34°F
NW 4 mph
Precip.
100%
100%
Night
25°F
SW 6 mph
Precip.
0%
0%
24.03
tue
tue
Day
34°F
SW 9 mph
Precip.
100%
100%
Night
32°F
NE 10 mph
Precip.
100%
100%
sea water
temperature
temperature
| Ketchikan |
monthly
weather
weather
| Ketchikan |
current
weather
weather
| Ketchikan |
14 days
forecast
forecast
| Ketchikan |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 41.5°F. The highest and lowest sea temperatures during the month were 42.3°F and 41.0°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 45.1°F. The highest and lowest sea temperatures during the month were 46.9°F and 43.3°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: 13:33
March 18, wednesday
1500
39°F
N
12 mph
12 mph
1800
37°F
N
11 mph
11 mph
2100
36°F
N
9 mph
9 mph
March 19, thursday
0000
32°F
NE
11 mph
11 mph
0300
32°F
NE
8 mph
8 mph
0600
32°F
N
8 mph
8 mph
0900
34°F
N
7 mph
7 mph
1200
36°F
NE
11 mph
11 mph
