Measurements:
°C
°F
Kenai
58°F
N 17 mph
Feels like: 54°F
Precip: 44%
World Resorts USA Kenai Weather

Kenai Sea Water Temperature

Current Sea Water Temperature:
+55.2°F
Maximum Sea Water Temperature in August: 59.2°F
Minimum Sea Water Temperature in August: 54.2°F
Average water temperature in August: 56.6°F

Sea Water Temperature for the Last 10 Days:

August 25 55.2°F August 20 55.6°F
August 24 55.6°F August 19 56.4°F
August 23 55.4°F August 18 56.4°F
August 22 55.4°F August 17 55.6°F
August 21 55.4°F August 16 55.6°F

When is the Warmest Sea for Kenai?

According to our data for the last three years for Kenai the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Kenai was 55.4°F. The maximum and minimum values were 54.2°F and 56.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Kenai was 53.0°F. The maximum and minimum values were 51.4°F and 54.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Kenai was 54.6°F. The maximum and minimum values were 52.0°F and 56.6°F respectively.

Best Time to Visit Kenai
The most sunny months:
January 7 days
June 7 days
March 7 days
The most warm months:
July 58.4 °F
August 58.4 °F
June 55.1 °F
Warmest sea temperature:
August 56.5 °F
July 54.4 °F
September 53.8 °F
The most cold months:
January 15.8 °F
December 17.3 °F
February 19.1 °F
The most rainy months:
August 3 days
September 3 days
July 2 days
The most windy months:
December 9 mph
January 9 mph
November 9 mph

Kenai on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Kenai
Local time: 13:34
25 aug, tuesday
1500 58°F
N
17 mph
1800 62°F
N
22 mph
2100 56°F
N
16 mph
26 aug, wednesday
0000 54°F
NE
7 mph
0300 50°F
NW
3 mph
0600 50°F
S
3 mph
0900 52°F
SW
6 mph
1200 58°F
S
4 mph