The highest day temperature in August 2026 was 81°F. The lowest night temperature was 53°F. The average values for day and night temperatures during August were 66.7°F и 58.6°F respectivly.

The average sea surface temperature in August 2026 for Seaside was 57.6°F. The maximum and minimum values were 53.6°F and 63.2°F respectively.

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in August for Seaside is 0.2 in. It makes august one of the least rainy months of the year.

The average wind speed in August is 6.1 mph. It makes August the most windless month of the year for Seaside.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Seaside in August is 7.6 hours.