World Resorts USA Ketchikan Weather

Ketchikan sea water temperature

Current sea water temperature:
+54.7°F
Minimum sea water temperature in June: 61.0°F
Maximum sea water temperature in June: 48.7°F
Average sea water temperature in June: 54.4°F

Sea water temperature for the last 10 days:

June 14 54.7°F June 9 53.8°F
June 13 54.3°F June 8 54.5°F
June 12 54.1°F June 7 54.9°F
June 11 53.4°F June 6 54.0°F
June 10 53.4°F June 5 54.0°F

When is the warmest sea in Ketchikan?

Based on the data about daily sea water temperature for the last three years the warmest sea in Ketchikan was noticed in August, July and September.

Monthly Sea Temperatures in Ketchikan, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 59.5°F. The highest and lowest sea temperatures during the month were 61.5°F and 57.7°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 57.5°F. The highest and lowest sea temperatures during the month were 61.3°F and 55.4°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.

Best time for vacation in Ketchikan

Sunniest months:
August 9 days
July 7 days
April 6 days
Warmest months:
August 60.5 °F
July 59.4 °F
September 55.7 °F
Warmest sea temp:
August 60.1 °F
July 59.1 °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
+54°F
W 5 mph
Feels like: +52°F
Precip.: 78%
Places in USA:
Name
°F
+79°F
+79°F
+95°F
+68°F
+81°F
+84°F
+72°F
+73°F
+70°F
+59°F
+64°F
+82°F
+81°F
+79°F
+55°F
24 Hours Forecast
Ketchikan
Local time: 20:13
June 14, sunday
2100
54°F
W
5 mph
June 15, monday
0000
54°F
W
8 mph
0300
52°F
W
6 mph
0600
54°F
NW
6 mph
0900
54°F
NW
6 mph
1200
54°F
NW
7 mph
1500
54°F
NW
7 mph
1800
54°F
NW
6 mph
Units of measurement: °C / °F