Measurements:
°C
°F
Astoria
44°F
S 3 mph
Feels like: 40°F
Precip: 100%
World Resorts USA Astoria Weather

Astoria Sea Water Temperature

Current Sea Water Temperature:
+45.4°F
Maximum Sea Water Temperature in March: 49.8°F
Minimum Sea Water Temperature in March: 41.8°F
Average water temperature in March: 46.3°F

Sea Water Temperature for the Last 10 Days:

March 13 45.4°F March 08 46.6°F
March 12 46.2°F March 07 46.2°F
March 11 45.6°F March 06 45.6°F
March 10 46.2°F March 05 45.2°F
March 09 48.2°F March 04 45.2°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Astoria was 67.6°F. The maximum and minimum values were 63.4°F and 71.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Astoria was 66.4°F. The maximum and minimum values were 62.4°F and 68.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Astoria was 64.4°F. The maximum and minimum values were 61.2°F and 67.6°F respectively.

Best Time to Visit Astoria
The most sunny months:
August 12 days
September 11 days
July 11 days
The most warm months:
August 67.9 °F
July 66.1 °F
September 65.0 °F
Warmest sea temperature:
August 67.6 °F
July 67.2 °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
Chicago +42
Hawaii +74
Honolulu +74
Houston +82
Las Vegas +88
Los Angeles +98
Maui +70
Miami +86
Miami Beach +86
New York +42
San Diego +98
San Francisco +70
Sarasota +80
Tampa +82
Washington +56
24 Hours Weather Forecast
Astoria
Local time: 12:56
13 mar, friday
1500 44°F
S
4 mph
1800 44°F
S
4 mph
2100 42°F
SE
5 mph
14 mar, saturday
0000 42°F
SE
5 mph
0300 42°F
SE
13 mph
0600 40°F
SE
12 mph
0900 40°F
SE
13 mph
1200 42°F
SE
15 mph