Measurements:
°C
°F
Cannon Beach
60°F
S 9 mph
Feels like: 58°F
Precip: 16%
World Resorts USA Cannon Beach Weather

Cannon Beach Sea Water Temperature

Current Sea Water Temperature:
+58.0°F
Maximum Sea Water Temperature in October: 59.6°F
Minimum Sea Water Temperature in October: 51.4°F
Average water temperature in October: 55.8°F

Sea Water Temperature for the Last 10 Days:

October 05 58.0°F September 30 54.2°F
October 04 55.6°F September 29 54.2°F
October 03 54.6°F September 28 55.6°F
October 02 54.8°F September 27 55.6°F
October 01 54.8°F September 26 55.8°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, September and July.

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 Cannon Beach was 56.6°F. The maximum and minimum values were 53.0°F and 63.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Cannon Beach was 58.3°F. The maximum and minimum values were 54.2°F and 62.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Cannon Beach was 56.9°F. The maximum and minimum values were 51.6°F and 61.2°F respectively.

Best Time to Visit Cannon Beach
The most sunny months:
August 12 days
October 11 days
September 11 days
The most warm months:
August 66.9 °F
July 64.9 °F
September 64.1 °F
Warmest sea temperature:
August 57.9 °F
September 56.5 °F
July 56.5 °F
The most cold months:
February 45.8 °F
January 47.2 °F
December 47.2 °F
The most rainy months:
January 8 days
November 7 days
December 5 days
The most windy months:
December 9 mph
January 9 mph
November 9 mph

Cannon Beach on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Cannon Beach
Local time: 17:26
05 oct, monday
1800 60°F
S
9 mph
2100 58°F
S
11 mph
06 oct, tuesday
0000 58°F
S
8 mph
0300 56°F
SW
7 mph
0600 54°F
SW
7 mph
0900 56°F
SW
7 mph
1200 60°F
S
9 mph
1500 60°F
S
16 mph