@List subhead:Arlington

Olympic Place Retirement Community, 8 a.m. to 7 p.m., 20909 Olympic Place NE.

Stillaguamish Senior Center, 9 a.m. to 5 p.m., 18308 Smokey Point Blvd.

@List subhead:Camano Island

Camano Commons above the Camano Island Library, 8 a.m. to 6 p.m., 848 S. Sunrise Blvd, Suite 204.

@List subhead:Coupeville

Island County Commissioners Hearing Room, 8 a.m. to 9 p.m., 1 NE Sixth St.

@List subhead:Everett

Everett parks that offer both shaded outdoor areas and some water access: Forest Park, 802 E. Mukilteo Blvd.; Silver Lake, 11400 W. Silver Lake Road; Howarth Park, 1127 Olympic Blvd.

@List subhead:Lake Stevens

Lake Stevens Community Center at 1808 Main Street is open from 9 a.m. to 9 p.m. weekdays.

@List subhead:Langley

Bayview Senior Center, 8:30 a.m. to 10 p.m., 14594 Highway 525.

@List subhead:Lynnwood

The Lynnwood Senior Center, 5 to 9 p.m. for all ages, 8:30 a.m. to 5 p.m. for seniors, 5800 198th St.

@List subhead:Marysville

Shoultes Fire Station 62, 9 a.m. to 9 p.m., 10701 Shoultes Road.

Sunnyside Fire Station 66, 9 a.m. to 9 p.m., 7217 40th Street NE.

@List subhead:Monroe

Monroe firefighters will squirt water on folks from 2 to 3 p.m. at Lake Tye Park, 14964 Fryelands Blvd. Tour fire rigs, too.

Monroe Boys &Girls Club, 10 a.m. to 6:30 p.m., 816 Village Way.

East County Senior Center, 8 a.m. to 6 p.m., 824 Village Way.

See “Indiana Jones and the Raiders of the Lost Ark” at 2:30 p.m. at the air-conditioned Monroe Library, 1070 Village Way.

Monroe Family YMCA, 4:30 a.m. to 10 p.m., 14033 Fryelands Blvd.

@List subhead:Oak Harbor

Oak Harbor Senior Center, 8 a.m. to 5 p.m., 51 SE Jerome St.