Measurements:
°C
°F
CURRENT WEATHER
11:26
Ketchikan
50°F
S 9 mph
Feels like: 46°F
Precip: 0%
World Resorts USA Ketchikan Weather

7 Day Weather Forecast

04.23
thu
DAY
50°F
S 9 mph
precip
0%
NIGHT
42°F
S 7 mph
precip
0%
04.24
fri
DAY
52°F
SE 9 mph
precip
0%
NIGHT
42°F
SE 8 mph
precip
0%
04.25
sat
DAY
54°F
SE 9 mph
precip
0%
NIGHT
44°F
S 7 mph
precip
0%
04.26
sun
DAY
54°F
SE 8 mph
precip
0%
NIGHT
42°F
SE 7 mph
precip
0%
04.27
mon
DAY
48°F
SE 6 mph
precip
0%
NIGHT
42°F
SE 6 mph
precip
0%
04.28
tue
DAY
52°F
SE 6 mph
precip
0%
NIGHT
44°F
SE 6 mph
precip
0%
04.29
wed
DAY
52°F
SE 6 mph
precip
0%
NIGHT
46°F
SE 6 mph
precip
22%

Ketchikan Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Ketchikan was 6.5°F. The maximum and minimum values were 5.4°F and 7.6°F respectively.

Ketchikan on the Weather Map

Best Time to Visit Ketchikan
The most sunny months:
August 9 days
July 7 days
March 5 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