Current Time in O'Fallon
United States · America/Chicago · Pop. 29,002
Sun & Daylight
Sunrise
06:21 AM
Sunset
07:42 PM
Solar Noon
01:01 PM
Day Length
-10.7h
Weather
☁️
23.1°C
Overcast
Feels Like
24.8°C
Humidity
86%
Wind
16.9 km/h
UV Index
0.8
Timezone
- IANA ID
- America/Chicago
- Abbreviation
- CDT
- UTC Offset
- UTC-05:00
- DST Active
- Yes
- Next Change
- Nov 1, 2026
- Elevation
- 167m