Measurements:
°C
°F
CURRENT WEATHER
09:59
Ketchikan
46°F
N 8 mph
Feels like: 42°F
Precip: 100%
World Resorts USA Ketchikan Weather

7 Day Weather Forecast

05.14
thu
DAY
48°F
N 9 mph
precip
100%
NIGHT
40°F
W 4 mph
precip
0%
05.15
fri
DAY
46°F
NW 3 mph
precip
100%
NIGHT
44°F
NW 2 mph
precip
74%
05.16
sat
DAY
50°F
NE 3 mph
precip
100%
NIGHT
40°F
NW 4 mph
precip
0%
05.17
sun
DAY
50°F
N 9 mph
precip
0%
NIGHT
44°F
W 6 mph
precip
100%
05.18
mon
DAY
46°F
W 5 mph
precip
100%
NIGHT
46°F
NE 4 mph
precip
100%
05.19
tue
DAY
50°F
E 3 mph
precip
0%
NIGHT
44°F
N 6 mph
precip
100%
05.20
wed
DAY
46°F
N 4 mph
precip
100%
NIGHT
42°F
NW 5 mph
precip
100%

Ketchikan Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Ketchikan was 9.2°F. The maximum and minimum values were 8.2°F and 10.4°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 61.7 °F
July 60.5 °F
September 56.3 °F
Warmest sea temperature:
August 61.2 °F
July 60.1 °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