Richland, Washington Weather:
Tuesday, September 29, 2026
Sunny Weather
Day 73°
Night 43°
Precipitation 62 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (September 29, 2025)
Cloudy Weather

Day

79°

Night

55°

Wind

4 mph

UV Index

20

Precipitation

25 %