Dayton, Ohio Weather:
Monday, September 21, 2026
Cloudy Weather
Day 75°
Night 61°
Precipitation 55 %
Wind 8 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (September 21, 2025)
Stormy Weather

Day

86°

Night

66°

Wind

7 mph

Precipitation

80 %