Kennewick, Washington Weather:
Wednesday, September 30, 2026
Sunny Weather
Day 75°
Night 54°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (September 30, 2025)
Rainy Night

Day

77°

Night

55°

Wind

7 mph

Precipitation

55 %