Kennewick, Washington Weather:
Monday, September 14, 2026
Sunny Weather
Day 82°
Night 54°
Precipitation 20 %
Wind 0 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (September 14, 2025)
Rainy Weather

Day

77°

Night

55°

Wind

13 mph

UV Index

40

Precipitation

60 %