Castle Rock, 98611

Seaquest State Park

Book on Washington State ParksMountain viewsForestYear-roundHikingWildlife watching

Availability

Each day shows how many of this campground’s sites are open.

About this spot

Seaquest is a 475-acre, year-round camping park set among lush pines in the shadow of the storied Mount. St. Helen's volcano. Seaquest Park boasts forested campgrounds, great hiking trails and stunning mountain panoramas. Next door to the campground is Silver Lake. The park is connected to the popular Mount St. Helen's Interpretive Center, another worthwhile destination, and Silver Lake by a pedestrian tunnel which leads you to a boardwalk trail over the wetland where ducks and other wildlife thrive.

Typical weather

Air temperature

Average daily high-low
Average daily high and low air temperature, January through DecemberEach vertical bar shows a monthly average daily high and low in degrees Fahrenheit.46°35°JJanuary: average high 46°F, average low 35°F46°34°FFebruary: average high 46°F, average low 34°F51°36°MMarch: average high 51°F, average low 36°F57°40°AApril: average high 57°F, average low 40°F65°46°MMay: average high 65°F, average low 46°F70°50°JJune: average high 70°F, average low 50°F79°54°JJuly: average high 79°F, average low 54°F80°55°AAugust: average high 80°F, average low 55°F71°51°SSeptember: average high 71°F, average low 51°F60°45°OOctober: average high 60°F, average low 45°F50°38°NNovember: average high 50°F, average low 38°F45°35°DDecember: average high 45°F, average low 35°F

5-year average · Open-Meteo

Water

Average water temperature
Average water temperature, January through DecemberEach point shows the monthly average water temperature in degrees Fahrenheit.44°JJanuary: average water temperature 44°F44°FFebruary: average water temperature 44°F47°MMarch: average water temperature 47°F47°AApril: average water temperature 47°F52°MMay: average water temperature 52°F55°JJune: average water temperature 55°F60°JJuly: average water temperature 60°F64°AAugust: average water temperature 64°F58°SSeptember: average water temperature 58°F52°OOctober: average water temperature 52°F48°NNovember: average water temperature 48°F45°DDecember: average water temperature 45°F

Water: Water Quality Portal — 45 field-sample stations