Current sea water temperature:
+51.4°F
| Minimum sea water temperature in December: | 52.3°F |
| Maximum sea water temperature in December: | 44.4°F |
| Average sea water temperature in December: | 48.7°F |
| more information | |
14 days
forecast
forecast
| Astoria |
monthly
weather
weather
| Astoria |
Sea water temperature for the last 10 days:
| December 14 | 51.4°F | December 9 | 51.3°F |
| December 13 | 51.1°F | December 8 | 51.1°F |
| December 12 | 51.1°F | December 7 | 51.1°F |
| December 11 | 51.3°F | December 6 | 51.3°F |
| December 10 | 51.3°F | December 5 | 51.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Astoria?
Based on the data about daily sea water temperature for the last three years the warmest sea in Astoria was noticed in August, July and September.
Monthly Sea Temperatures in Astoria, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 65.9°F. The highest and lowest sea temperatures during the month were 69.1°F and 62.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 64.7°F. The highest and lowest sea temperatures during the month were 66.7°F and 61.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 63.0°F. The highest and lowest sea temperatures during the month were 65.8°F and 60.1°F.
current
weather
weather
| Astoria |
weather in
December
December
| Astoria |
Best time for vacation in Astoria
Astoria on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Astoria
Local time: 18:15
December 14, sunday
2100

54°F
W
9 mph
9 mph
December 15, monday
0000

54°F
NW
11 mph
11 mph
0300

55°F
N
12 mph
12 mph
0600

55°F
N
17 mph
17 mph
0900

55°F
N
22 mph
22 mph
1200

55°F
N
23 mph
23 mph
1500

54°F
NE
24 mph
24 mph
1800

52°F
E
12 mph
12 mph




























