Richland, Washington Weather:
Tuesday, October 20, 2026
Cloudy Weather
Day 66°
Night 39°
Precipitation 25 %
Wind 1 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (October 20, 2025)
Cloudy Weather

Day

64°

Night

39°

Wind

7 mph

UV Index

30

Precipitation

2 %