Typical August highs at Matthews Beach reach about 75°F, with reliable beach weather July to August. Matthews Beach is located in Seattle, Washington.
Seattle, Washington · live parking & conditions · updated June 19, 2026
In a typical year August is the warmest month here, with highs near 75°F, and it's reliably beach weather July to August. Tap Matthews Beach on the map for live surf, wind, water temperature, UV and tide times.
Open Matthews Beach on the map →