Richland, Washington Weather:
Tuesday, September 29, 2026
Cloudy Weather
Day 75°
Night 48°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4
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 %