Seattle, Washington Weather:
Monday, May 18, 2026
Partly Sunny with Showers
Day 70°
Night 46°
Precipitation 87 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (May 18, 2025)
Cloudy Weather

Day

59°

Night

48°

Wind

7 mph

UV Index

4

Precipitation

25 %