Measurements:
°C
°F
CURRENT WEATHER
08:08
Astoria
56°F
SW 1 mph
Feels like: 56°F
Precip: 23%
World Resorts USA Astoria Weather

7 Day Weather Forecast

09.15
tue
DAY
62°F
E 2 mph
precip
17%
NIGHT
54°F
SW 3 mph
precip
12%
09.16
wed
DAY
68°F
W 3 mph
precip
3%
NIGHT
58°F
W 3 mph
precip
11%
09.17
thu
DAY
68°F
SE 4 mph
precip
3%
NIGHT
56°F
N 4 mph
precip
21%
09.18
fri
DAY
60°F
E 7 mph
precip
15%
NIGHT
54°F
W 2 mph
precip
14%
09.19
sat
DAY
62°F
SE 2 mph
precip
20%
NIGHT
54°F
SE 1 mph
precip
18%
09.20
sun
DAY
62°F
E 5 mph
precip
7%
NIGHT
54°F
NE 2 mph
precip
27%
09.21
mon
DAY
64°F
SE 9 mph
precip
9%
NIGHT
54°F
E 4 mph
precip
23%

Astoria Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Astoria was 18.7°F. The maximum and minimum values were 17.8°F and 20.1°F respectively.

Astoria on the Weather Map

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
more details