Richland, Washington Weather:
Sunday, December 20, 2026
Icy Road Conditions
Day 43°
Night 30°
Precipitation 3 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (December 20, 2025)
Sunny Weather

Day

54°

Night

36°

Wind

11 mph

UV Index

2

Precipitation

25 %