Measurements:
°C
°F
Cannon Beach
52°F
NE 7 mph
Feels like: 48°F
Precip: 100%
World Resorts USA Cannon Beach Weather

Cannon Beach Sea Water Temperature

Current Sea Water Temperature:
+52.8°F
Maximum Sea Water Temperature in December: 53.4°F
Minimum Sea Water Temperature in December: 47.4°F
Average water temperature in December: 50.5°F

Sea Water Temperature for the Last 10 Days:

December 04 52.8°F November 29 52.6°F
December 03 52.8°F November 28 53.8°F
December 02 53.0°F November 27 53.8°F
December 01 53.4°F November 26 53.8°F
November 30 53.8°F November 25 54.0°F

When is the Warmest Sea for Cannon Beach?

According to our data for the last three years for Cannon Beach 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: 2025 2024 2023

The average sea surface temperature in August 2025 for Cannon Beach was 58.1°F. The maximum and minimum values were 55.0°F and 61.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Cannon Beach was 53.1°F. The maximum and minimum values were 49.8°F and 55.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cannon Beach was 55.4°F. The maximum and minimum values were 49.8°F and 59.4°F respectively.

Best Time to Visit Cannon Beach
The most sunny months:
August 13 days
September 12 days
July 11 days
The most warm months:
August 66.9 °F
July 64.9 °F
September 64.6 °F
Warmest sea temperature:
August 58.1 °F
July 56.4 °F
September 56.2 °F
The most cold months:
February 45.0 °F
December 46.4 °F
January 46.5 °F
The most rainy months:
January 9 days
November 7 days
December 5 days
The most windy months:
December 9 mph
January 9 mph
February 9 mph

Cannon Beach on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Cannon Beach
Local time: 22:43
05 dec, friday
0000 52°F
NE
7 mph
0300 52°F
N
9 mph
0600 52°F
NE
12 mph
0900 52°F
NE
12 mph
1200 54°F
NE
11 mph
1500 54°F
NE
11 mph
1800 52°F
NE
13 mph
2100 52°F
NE
14 mph