World Resorts USA Ketchikan Weather

Ketchikan 14 Days Forecast

23.08
sun
Day
55°F
NW 7 mph
Precip.
75%
Night
57°F
N 11 mph
Precip.
88%
24.08
mon
Day
57°F
NW 4 mph
Precip.
90%
Night
57°F
NW 2 mph
Precip.
93%
25.08
tue
Day
64°F
SE 6 mph
Precip.
20%
Night
59°F
S 8 mph
Precip.
30%
26.08
wed
Day
64°F
N 9 mph
Precip.
20%
Night
55°F
NW 6 mph
Precip.
42%
27.08
thu
Day
57°F
NW 9 mph
Precip.
38%
Night
54°F
W 3 mph
Precip.
36%
28.08
fri
Day
59°F
SE 4 mph
Precip.
10%
Night
55°F
S 4 mph
Precip.
15%
29.08
sat
Day
57°F
SE 3 mph
Precip.
14%
Night
55°F
S 2 mph
Precip.
26%
30.08
sun
Day
57°F
N 6 mph
Precip.
26%
Night
55°F
NW 6 mph
Precip.
75%
31.08
mon
Day
54°F
N 6 mph
Precip.
68%
Night
54°F
NW 6 mph
Precip.
81%
01.09
tue
Day
54°F
NW 10 mph
Precip.
63%
Night
52°F
W 4 mph
Precip.
38%
02.09
wed
Day
54°F
NW 8 mph
Precip.
57%
Night
52°F
NW 7 mph
Precip.
78%
03.09
thu
Day
55°F
NW 4 mph
Precip.
30%
Night
54°F
SW 2 mph
Precip.
29%
04.09
fri
Day
61°F
SE 5 mph
Precip.
9%
Night
54°F
SE 7 mph
Precip.
23%
05.09
sat
Day
57°F
SE 7 mph
Precip.
24%
Night
54°F
N 4 mph
Precip.
22%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 59.0°F. The highest and lowest sea temperatures during the month were 61.9°F and 57.4°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 57.1°F. The highest and lowest sea temperatures during the month were 63.1°F and 52.9°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

Sunniest months:
August 9 days
July 7 days
April 6 days
Warmest months:
August 60.5 °F
July 59.3 °F
June 55.8 °F
Warmest sea temp:
August 59.9 °F
July 59.0 °F
September 56.0 °F
Coldest months:
December 36.1 °F
January 36.3 °F
February 36.9 °F
Rainiest months:
November 10 days
January 9 days
October 9 days
Windiest months:
November 12.1 mph
January 11.4 mph
December 11.0 mph

Ketchikan on a weather map

Ketchikan
+57°F
NW 8 mph
Feels like: +55°F
Precip.: 95%
Places in USA:
Name
°F
+66°F
+68°F
+79°F
+95°F
+75°F
+81°F
+66°F
+79°F
+66°F
+73°F
+57°F
+70°F
+79°F
+81°F
+70°F
24 Hours Forecast
Ketchikan
Local time: 20:58
August 23, sunday
2100
57°F
NW
8 mph
August 24, monday
0000
57°F
N
11 mph
0300
57°F
NW
12 mph
0600
57°F
NW
6 mph
0900
57°F
NW
6 mph
1200
57°F
NW
4 mph
1500
57°F
NW
7 mph
1800
57°F
NW
4 mph
Units of measurement: °C / °F