Sammamish, Washington Weather:
Saturday, September 26, 2026
Sunny Weather
Day 66°
Night 48°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (September 26, 2025)
Cloudy Weather

Day

72°

Night

52°

Wind

6 mph

UV Index

40

Precipitation

3 %