Seattle, Washington Weather:
Tuesday, August 18, 2026
Cloudy Weather
Day 79°
Night 61°
Precipitation 5 %
Wind 7 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (August 18, 2025)
Cloudy Night

Day

73°

Night

59°

Wind

6 mph

Precipitation

20 %