Measurements:
°C
°F
CURRENT WEATHER
06:31
Ketchikan
52°F
SE 4 mph
Feels like: 50°F
Precip: 31%
World Resorts USA Ketchikan Weather

14 Day Weather Forecast

09.15
tue
DAY
60°F
SE 5 mph
precip
8%
NIGHT
52°F
S 6 mph
precip
14%
09.16
wed
DAY
60°F
S 6 mph
precip
7%
NIGHT
54°F
S 5 mph
precip
22%
09.17
thu
DAY
60°F
E 2 mph
precip
10%
NIGHT
54°F
W 5 mph
precip
69%
09.18
fri
DAY
54°F
NW 11 mph
precip
80%
NIGHT
52°F
NW 11 mph
precip
78%
09.19
sat
DAY
54°F
NW 11 mph
precip
84%
NIGHT
50°F
N 6 mph
precip
30%
09.20
sun
DAY
52°F
NW 8 mph
precip
65%
NIGHT
52°F
N 11 mph
precip
84%
09.21
mon
DAY
54°F
N 7 mph
precip
27%
NIGHT
48°F
NW 4 mph
precip
35%
09.22
tue
DAY
52°F
NW 5 mph
precip
22%
NIGHT
50°F
W 2 mph
precip
33%
09.23
wed
DAY
48°F
SW 3 mph
precip
51%
NIGHT
46°F
S 4 mph
precip
46%
09.24
thu
DAY
50°F
W 2 mph
precip
25%
NIGHT
48°F
SW 4 mph
precip
72%
09.25
fri
DAY
52°F
S 3 mph
precip
50%
NIGHT
52°F
S 8 mph
precip
30%
09.26
sat
DAY
60°F
S 11 mph
precip
16%
NIGHT
54°F
S 9 mph
precip
12%
09.27
sun
DAY
62°F
SE 3 mph
precip
16%
NIGHT
58°F
S 3 mph
precip
24%
09.28
mon
DAY
64°F
SE 4 mph
precip
15%
NIGHT
56°F
NW 3 mph
precip
9%

Ketchikan Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Ketchikan was 57.8°F. The maximum and minimum values were 56.4°F and 59.0°F respectively.

Ketchikan on the Weather Map

Best Time to Visit Ketchikan
The most sunny months:
August 9 days
July 7 days
April 6 days
The most warm months:
August 61.8 °F
July 60.4 °F
June 56.5 °F
Warmest sea temperature:
August 61.1 °F
July 60.0 °F
September 56.6 °F
The most cold months:
December 34.5 °F
January 34.8 °F
February 35.4 °F
The most rainy months:
November 10 days
January 9 days
October 9 days
The most windy months:
November 12 mph
January 11 mph
December 11 mph
more details
USA Resorts:
NAME
F°
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
all resorts
24 Hours Weather Forecast
Ketchikan
Local time: 06:31
15 sep, tuesday
0900 56°F
SE
4 mph
1200 60°F
SE
5 mph
1500 62°F
SE
6 mph
1800 60°F
SE
4 mph
2100 54°F
SE
6 mph
16 sep, wednesday
0000 52°F
S
6 mph
0300 52°F
S
5 mph
0600 54°F
S
6 mph