World Resorts USA Seaside Weather

Seaside 7 Days Forecast

30.09
wed
Day
57°F
S 11 mph
Precip.
14%
Night
54°F
SW 6 mph
Precip.
26%
01.10
thu
Day
59°F
NE 3 mph
Precip.
16%
Night
57°F
S 1 mph
Precip.
22%
02.10
fri
Day
57°F
S 7 mph
Precip.
7%
Night
55°F
SW 7 mph
Precip.
6%
03.10
sat
Day
61°F
S 13 mph
Precip.
4%
Night
57°F
SW 8 mph
Precip.
13%
04.10
sun
Day
61°F
NW 9 mph
Precip.
6%
Night
55°F
NE 4 mph
Precip.
12%
05.10
mon
Day
57°F
S 8 mph
Precip.
14%
Night
55°F
S 6 mph
Precip.
27%
06.10
tue
Day
59°F
NW 11 mph
Precip.
12%
Night
55°F
SW 11 mph
Precip.
28%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 57.9°F. The highest and lowest sea temperatures during the month were 61.2°F and 53.8°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 55.8°F. The highest and lowest sea temperatures during the month were 57.4°F and 54.1°F.

Air temperature in Seaside, °F

Precipitation total in Seaside, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Seaside

Sunniest months:
August 11 days
October 11 days
September 11 days
Warmest months:
August 64.9 °F
July 63.1 °F
September 62.5 °F
Warmest sea temp:
August 57.3 °F
September 56.0 °F
July 55.9 °F
Coldest months:
February 46.2 °F
January 47.3 °F
December 47.4 °F
Rainiest months:
January 8 days
November 6 days
December 5 days
Windiest months:
December 10.1 mph
January 9.5 mph
November 9.2 mph

Seaside on a weather map

Seaside
+55°F
SW 6 mph
Feels like: +54°F
Precip.: 25%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+75°F
+70°F
+82°F
+61°F
+64°F
+70°F
+61°F
+70°F
+75°F
+81°F
+66°F
24 Hours Forecast
Seaside
Local time: 06:24
September 30, wednesday
0900
55°F
SW
6 mph
1200
57°F
S
11 mph
1500
55°F
S
11 mph
1800
55°F
S
9 mph
2100
54°F
S
9 mph
October 01, thursday
0000
54°F
SW
6 mph
0300
54°F
SW
5 mph
0600
55°F
W
2 mph
Units of measurement: °C / °F