Weather | Mercer Island Reporter

Weather

Mercer Island, WA

10:40 am, Aug 8, 2026

71°F

L: 69° | H: 73°

Feels like 71°F° overcast clouds

Humidity: 69 %

Pressure: 1019 mb

Wind: 5 mph NE

Wind Gust: 8 mph

UV Index: 0

Precipitation: 0 inch

Rain Chance: 0%

Visibility: 6 mi

Sunrise: 5:55 am

Sunset: 8:33 pm

DailyHourly

Daily ForecastHourly Forecast

Today 2:00 pm

69° | 73°°F 0 inch 0% 3 mph 69 % 1019 mb 0 mm/h

Tomorrow 2:00 pm

54° | 83°°F 0 inch 0% 9 mph 71 % 1019 mb 0 mm/h

Mon Aug 10 2:00 pm

56° | 82°°F 0 inch 0% 8 mph 83 % 1019 mb 0 mm/h

Tue Aug 11 2:00 pm

57° | 83°°F 0 inch 0% 8 mph 73 % 1020 mb 0 mm/h

Wed Aug 12 2:00 pm

59° | 82°°F 0 inch 0% 11 mph 91 % 1020 mb 0 mm/h

Today 11:00 am

70° | 71°°F 0 inch 0% 3 mph 69 % 1019 mb 0 mm/h

Today 2:00 pm

74° | 80°°F 0 inch 0% 2 mph 58 % 1018 mb 0 mm/h

Tomorrow 5:00 pm

79° | 83°°F 0 inch 0% 5 mph 40 % 1017 mb 0 mm/h

Tomorrow 8:00 pm

74° | 74°°F 0 inch 0% 9 mph 39 % 1017 mb 0 mm/h

Tomorrow 11:00 pm

64° | 64°°F 0 inch 0% 4 mph 55 % 1018 mb 0 mm/h

Tomorrow 2:00 am

58° | 58°°F 0 inch 0% 1 mph 60 % 1018 mb 0 mm/h

Tomorrow 5:00 am

54° | 54°°F 0 inch 0% 2 mph 71 % 1018 mb 0 mm/h

Tomorrow 8:00 am

58° | 58°°F 0 inch 0% 3 mph 62 % 1019 mb 0 mm/h

Tomorrow 11:00 am

67° | 67°°F 0 inch 0% 3 mph 39 % 1018 mb 0 mm/h

Tomorrow 2:00 pm

78° | 78°°F 0 inch 0% 2 mph 28 % 1016 mb 0 mm/h

Mon Aug 10 5:00 pm

78° | 78°°F 0 inch 0% 6 mph 29 % 1014 mb 0 mm/h

Mon Aug 10 8:00 pm

70° | 70°°F 0 inch 0% 8 mph 48 % 1015 mb 0 mm/h

Mon Aug 10 11:00 pm

63° | 63°°F 0 inch 0% 3 mph 67 % 1016 mb 0 mm/h

Mon Aug 10 2:00 am

58° | 58°°F 0 inch 0% 1 mph 76 % 1017 mb 0 mm/h

Mon Aug 10 5:00 am

56° | 56°°F 0 inch 0% 2 mph 83 % 1018 mb 0 mm/h

Mon Aug 10 8:00 am

60° | 60°°F 0 inch 0% 4 mph 73 % 1019 mb 0 mm/h

Mon Aug 10 11:00 am

73° | 73°°F 0 inch 0% 3 mph 46 % 1019 mb 0 mm/h

Mon Aug 10 2:00 pm

82° | 82°°F 0 inch 0% 3 mph 30 % 1017 mb 0 mm/h

Tue Aug 11 5:00 pm

82° | 82°°F 0 inch 0% 8 mph 28 % 1016 mb 0 mm/h

Tue Aug 11 8:00 pm

72° | 72°°F 0 inch 0% 8 mph 45 % 1017 mb 0 mm/h

Tue Aug 11 11:00 pm

62° | 62°°F 0 inch 0% 7 mph 63 % 1018 mb 0 mm/h

Tue Aug 11 2:00 am

60° | 60°°F 0 inch 0% 4 mph 67 % 1019 mb 0 mm/h

Tue Aug 11 5:00 am

57° | 57°°F 0 inch 0% 2 mph 73 % 1019 mb 0 mm/h

Tue Aug 11 8:00 am

63° | 63°°F 0 inch 0% 1 mph 61 % 1020 mb 0 mm/h

Tue Aug 11 11:00 am

76° | 76°°F 0 inch 0% 3 mph 42 % 1020 mb 0 mm/h

Tue Aug 11 2:00 pm

83° | 83°°F 0 inch 0% 6 mph 32 % 1019 mb 0 mm/h

Wed Aug 12 5:00 pm

82° | 82°°F 0 inch 0% 11 mph 35 % 1018 mb 0 mm/h

Wed Aug 12 8:00 pm

70° | 70°°F 0 inch 0% 9 mph 63 % 1018 mb 0 mm/h

Wed Aug 12 11:00 pm

63° | 63°°F 0 inch 0% 7 mph 84 % 1019 mb 0 mm/h

Wed Aug 12 2:00 am

61° | 61°°F 0 inch 0% 4 mph 86 % 1019 mb 0 mm/h

Wed Aug 12 5:00 am

59° | 59°°F 0 inch 0% 2 mph 91 % 1019 mb 0 mm/h

Wed Aug 12 8:00 am

63° | 63°°F 0 inch 0% 1 mph 81 % 1020 mb 0 mm/h

Wed Aug 12 11:00 am

67° | 67°°F 0 inch 0% 3 mph 70 % 1019 mb 0 mm/h

Wed Aug 12 2:00 pm

75° | 75°°F 0 inch 0% 4 mph 53 % 1018 mb 0 mm/h

Thu Aug 13 5:00 pm

81° | 81°°F 0 inch 0% 2 mph 41 % 1016 mb 0 mm/h

Thu Aug 13 8:00 pm

72° | 72°°F 0 inch 0% 7 mph 57 % 1015 mb 0 mm/h

Thu Aug 13 11:00 pm

63° | 63°°F 0 inch 0% 4 mph 79 % 1015 mb 0 mm/h

Thu Aug 13 2:00 am

60° | 60°°F 0 inch 0% 1 mph 84 % 1016 mb 0 mm/h

Thu Aug 13 5:00 am

58° | 58°°F 0 inch 0% 0 mph 88 % 1016 mb 0 mm/h

Thu Aug 13 8:00 am

63° | 63°°F 0 inch 0% 1 mph 77 % 1016 mb 0 mm/h

Mercer Island Radar