Richland, Washington Weather:
Wednesday, September 30, 2026
Sunny Weather
Day 68°
Night 43°
Precipitation 60 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (September 30, 2025)
Cloudy Weather

Day

77°

Night

54°

Wind

6 mph

UV Index

30

Precipitation

3 %