Sammamish, Washington Weather:
Monday, October 19, 2026
Sunny Weather
Day 59°
Night 45°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (October 19, 2025)
Partly Sunny with Showers

Day

59°

Night

46°

Wind

11 mph

UV Index

20

Precipitation

70 %