Measurements:
°C
°F
Astoria
40°F
W 16 mph
Feels like: 32°F
Precip: 74%
World Resorts USA Astoria Weather

Astoria Sea Water Temperature

Current Sea Water Temperature:
+43.2°F
Maximum Sea Water Temperature in February: 49.8°F
Minimum Sea Water Temperature in February: 40.2°F
Average water temperature in February: 44.9°F

Sea Water Temperature for the Last 10 Days:

February 21 43.2°F February 16 43.8°F
February 20 45.4°F February 15 42.6°F
February 19 44.8°F February 14 43.2°F
February 18 45.2°F February 13 41.4°F
February 17 44.4°F February 12 43.0°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 44.5 °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
February 8 mph
January 8 mph

Astoria on the Weather Map

USA Resorts:
NAME
Chicago +28
Hawaii +72
Honolulu +72
Houston +74
Las Vegas +34
Los Angeles +40
Maui +66
Miami +74
Miami Beach +78
New York +38
San Diego +44
San Francisco +42
Sarasota +68
Tampa +70
Washington +38
24 Hours Weather Forecast
Astoria
Local time: 05:20
21 feb, saturday
0600 40°F
W
16 mph
0900 42°F
W
14 mph
1200 46°F
W
15 mph
1500 44°F
W
14 mph
1800 46°F
W
14 mph
2100 44°F
W
13 mph
22 feb, sunday
0000 44°F
W
15 mph
0300 44°F
W
12 mph