Measurements:
°C
°F
Cannon Beach
60°F
SE 7 mph
Feels like: 60°F
Precip: 30%
World Resorts USA Cannon Beach Weather

Cannon Beach Sea Water Temperature

Current Sea Water Temperature:
+56.4°F
Maximum Sea Water Temperature in July: 64.0°F
Minimum Sea Water Temperature in July: 46.8°F
Average water temperature in July: 56.3°F

Sea Water Temperature for the Last 10 Days:

July 15 56.4°F July 10 51.8°F
July 14 56.8°F July 09 53.8°F
July 13 55.2°F July 08 54.0°F
July 12 52.6°F July 07 54.0°F
July 11 51.6°F July 06 56.4°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Cannon Beach was 55.4°F. The maximum and minimum values were 51.6°F and 58.8°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 45.8 °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
Boston +94
Chicago +88
Hawaii +80
Houston +90
Las Vegas +120
Los Angeles +106
Maui +76
Miami +100
Myrtle Beach +96
New York +114
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Cannon Beach
Local time: 11:18
15 jul, wednesday
1200 60°F
SE
7 mph
1500 64°F
SE
8 mph
1800 60°F
SE
8 mph
2100 58°F
SE
5 mph
16 jul, thursday
0000 54°F
S
2 mph
0300 56°F
N
2 mph
0600 58°F
N
5 mph
0900 60°F
N
6 mph