Sammamish, Washington Weather:
Tuesday, September 22, 2026
Cloudy Weather
Day 66°
Night 46°
Precipitation 5 %
Wind 5 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (September 22, 2025)
Cloudy Weather

Day

72°

Night

48°

Wind

4 mph

UV Index

40

Precipitation

1 %