Sammamish, Washington Weather:
Monday, September 28, 2026
Rainy Weather
Day 64°
Night 48°
Precipitation 60 %
Wind 5 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (September 28, 2025)
Cloudy Weather

Day

73°

Night

57°

Wind

6 mph

UV Index

40

Precipitation

1 %