Current Time in O'Fallon
United States · America/Chicago · Pop. 29,002
Sun & Daylight
Sunrise
06:39 AM
Sunset
07:25 PM
Solar Noon
01:02 PM
Day Length
-11.2h
Weather
☁️
12.1°C
Overcast
Feels Like
7.9°C
Humidity
88%
Wind
28.9 km/h
UV Index
5.5
Timezone
- IANA ID
- America/Chicago
- Abbreviation
- CDT
- UTC Offset
- UTC-05:00
- DST Active
- Yes
- Next Change
- Nov 1, 2026
- Elevation
- 167m