Measurements:
°C
°F
Astoria
52°F
NW 1 mph
Feels like: 52°F
Precip: 29%
World Resorts USA Astoria Weather

Astoria Sea Water Temperature

Current Sea Water Temperature:
+65.6°F
Maximum Sea Water Temperature in September: 70.2°F
Minimum Sea Water Temperature in September: 59.0°F
Average water temperature in September: 65.1°F

Sea Water Temperature for the Last 10 Days:

September 15 65.6°F September 10 68.0°F
September 14 66.0°F September 09 68.2°F
September 13 66.6°F September 08 66.4°F
September 12 68.0°F September 07 66.2°F
September 11 68.0°F September 06 65.6°F

When is the Warmest Sea for Astoria?

According to our data for the last three years for Astoria 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 Astoria was 67.0°F. The maximum and minimum values were 60.4°F and 72.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Astoria was 65.5°F. The maximum and minimum values were 61.8°F and 69.4°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Astoria was 67.4°F. The maximum and minimum values were 65.6°F and 70.2°F respectively.

Best Time to Visit Astoria
The most sunny months:
July 11 days
September 11 days
August 11 days
The most warm months:
August 67.9 °F
July 65.9 °F
September 65.0 °F
Warmest sea temperature:
August 67.5 °F
July 67.0 °F
September 64.9 °F
The most cold months:
February 45.1 °F
January 45.8 °F
December 46.0 °F
The most rainy months:
January 7 days
November 7 days
December 5 days
The most windy months:
December 9 mph
January 8 mph
February 8 mph

Astoria on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
24 Hours Weather Forecast
Astoria
Local time: 06:41
15 sep, tuesday
0900 56°F
SW
1 mph
1200 60°F
E
3 mph
1500 60°F
E
9 mph
1800 62°F
SE
6 mph
2100 56°F
S
3 mph
16 sep, wednesday
0000 54°F
SW
2 mph
0300 54°F
SW
4 mph
0600 52°F
W
6 mph