Sammamish, Washington Weather:
Tuesday, September 29, 2026
Cloudy Weather
Day 66°
Night 48°
Precipitation 4 %
Wind 2 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (September 29, 2025)
Rainy Weather

Day

63°

Night

50°

Wind

6 mph

UV Index

10

Precipitation

95 %