Richland, Washington Weather:
Monday, December 21, 2026
Rainy Weather
Day 37°
Night 27°
Precipitation 60 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (December 21, 2025)
Rainy Weather

Day

46°

Night

39°

Wind

4 mph

UV Index

1

Precipitation

55 %