Current Time in O'Fallon
United States · America/Chicago · Pop. 85,040
Sun & Daylight
Sunrise
06:24 AM
Sunset
07:46 PM
Solar Noon
01:05 PM
Day Length
-10.6h
Weather
🌤️
16.4°C
Mainly clear
Feels Like
17.5°C
Humidity
86%
Wind
1.6 km/h
UV Index
1.45
Timezone
- IANA ID
- America/Chicago
- Abbreviation
- CDT
- UTC Offset
- UTC-05:00
- DST Active
- Yes
- Next Change
- Nov 1, 2026
- Elevation
- 165m