Sammamish, Washington Weather:
Sunday, October 18, 2026
Rainy Weather
Day 61°
Night 45°
Precipitation 55 %
Wind 5 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (October 18, 2025)
Rainy Weather

Day

55°

Night

48°

Wind

6 mph

UV Index

10

Precipitation

96 %