Measurements:
°C
°F
Cannon Beach
76°F
SE 8 mph
Feels like: 80°F
Precip: 6%
World Resorts USA Cannon Beach Weather

7 Day Weather Forecast

08.05
wed
DAY
76°F
SE 8 mph
precip
6%
NIGHT
56°F
S 5 mph
precip
15%
08.06
thu
DAY
70°F
SE 7 mph
precip
5%
NIGHT
56°F
S 4 mph
precip
22%
08.07
fri
DAY
68°F
SE 7 mph
precip
5%
NIGHT
56°F
S 5 mph
precip
21%
08.08
sat
DAY
68°F
SE 8 mph
precip
6%
NIGHT
56°F
S 4 mph
precip
18%
08.09
sun
DAY
68°F
SE 9 mph
precip
8%
NIGHT
56°F
NE 6 mph
precip
16%
08.10
mon
DAY
66°F
S 9 mph
precip
7%
NIGHT
62°F
S 8 mph
precip
30%
08.11
tue
DAY
66°F
SE 8 mph
precip
15%
NIGHT
60°F
S 7 mph
precip
20%

Cannon Beach Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Cannon Beach was 14.0°F. The maximum and minimum values were 12.5°F and 15.6°F respectively.

Cannon Beach on the Weather Map

Best Time to Visit Cannon Beach
The most sunny months:
August 13 days
September 12 days
October 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 56.5 °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