Kennewick, Washington Weather:
Sunday, December 20, 2026
Partly Sunny with a Chance of Snow
Day 45°
Night 32°
Precipitation 10 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (December 20, 2025)
Cloudy Night

Day

50°

Night

36°

Wind

6 mph

Precipitation

10 %