Seattle, Washington Weather:
Thursday, June 18, 2026
Sunny Weather
Day 79°
Night 55°
Precipitation 1 %
Wind 2 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (June 18, 2025)
Cloudy Weather

Day

73°

Night

52°

Wind

9 mph

UV Index

9

Precipitation

40 %