Current Weather
10:14 AM
79°F
Sunny
RealFeel® 93°
Hot
RealFeel Shade™ 82°
Very Warm
RealFeel®
93°
RealFeel Shade™
82°
Heat Index
80°
Max UV Index
7.3 (High)
Wind
ENE 2 mph
Wind Gusts
6 mph
Humidity
71%
Indoor Humidity
71% (Very Humid)
Dew Point
69° F
Pressure
↔ 30.05 in
Cloud Cover
0%
Visibility
15 mi
Cloud Ceiling
30000 ft
Day
5/28
85°Hi
RealFeel®
93°
Very Warm
RealFeel Shade™
82°
Very Warm
Peeks of sunshine
Max UV Index8.0 (Very High)
AccuLumen Brightness Index™6 (Medium)
WindENE 8 mph
Wind Gusts18 mph
Probability of Precipitation2%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover63%
Night
5/28
66°Lo
RealFeel®
65°
Pleasant
Partly cloudy
WindE 6 mph
Wind Gusts9 mph
Probability of Precipitation4%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover43%
Sun & Moon
14 hrs 37 mins
Rise
5:42 AM
Set
8:19 PM
Waxing Gibbous
Rise
6:13 PM
Set
4:11 AM
Temperature History
5/28High
Low
Forecast
85°
66°
Average
80°
58°
Last Year
73°
56°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Sunny with a temperature of 79°. The current RealFeel® Temperature is 93° (Hot) based on observed conditions including 71% humidity, 0% cloud cover, a UV index of 7, and winds of 2 mph. In shade, the RealFeel Shade™ is 82°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for O'Fallon, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.