Measurements:
°C
°F
Seaside
60°F
S 9 mph
Feels like: 58°F
Precip: 16%
World Resorts USA Seaside Weather

7 Day Weather Forecast

10.05
mon
DAY
60°F
S 9 mph
precip
28%
NIGHT
58°F
S 8 mph
precip
18%
10.06
tue
DAY
60°F
S 9 mph
precip
11%
NIGHT
56°F
S 11 mph
precip
13%
10.07
wed
DAY
62°F
S 11 mph
precip
5%
NIGHT
56°F
S 10 mph
precip
14%
10.08
thu
DAY
60°F
S 11 mph
precip
5%
NIGHT
56°F
S 9 mph
precip
15%
10.09
fri
DAY
60°F
SE 6 mph
precip
34%
NIGHT
56°F
SE 11 mph
precip
37%
10.10
sat
DAY
56°F
SE 13 mph
precip
26%
NIGHT
50°F
E 6 mph
precip
38%
10.11
sun
DAY
54°F
NW 9 mph
precip
6%
NIGHT
50°F
W 4 mph
precip
9%

Seaside Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Seaside was 13.2°F. The maximum and minimum values were 12.3°F and 14.1°F respectively.

Seaside on the Weather Map

Best Time to Visit Seaside
The most sunny months:
August 11 days
October 11 days
September 11 days
The most warm months:
August 66.6 °F
July 64.6 °F
September 63.9 °F
Warmest sea temperature:
August 58.1 °F
September 56.7 °F
July 56.6 °F
The most cold months:
February 45.7 °F
January 47.0 °F
December 47.1 °F
The most rainy months:
January 8 days
November 6 days
December 5 days
The most windy months:
December 10 mph
January 9 mph
November 9 mph