Current Weather
5:55 PM
72°F
Mostly cloudy
RealFeel® 74°
Pleasant
RealFeel Shade™ 72°
Pleasant
RealFeel®
74°
RealFeel Shade™
72°
Max UV Index
1.1 (Low)
Wind
NE 1 mph
Wind Gusts
3 mph
Humidity
63%
Indoor Humidity
63% (Slightly Humid)
Dew Point
59° F
Pressure
↔ 29.73 in
Cloud Cover
76%
Visibility
14 mi
Cloud Ceiling
19200 ft
Day
4/24
74°Hi
RealFeel®
83°
Very Warm
RealFeel Shade™
72°
Pleasant
Clouds and sun with a passing shower or two; not as warm
Max UV Index9.0 (Very High)
AccuLumen Brightness Index™5 (Medium)
WindWNW 6 mph
Wind Gusts16 mph
Probability of Precipitation80%
Probability of Thunderstorms32%
Precipitation0.01 in
Rain0.01 in
Hours of Precipitation1
Hours of Rain1
Cloud Cover71%
Night
4/24
48°Lo
RealFeel®
47°
Chilly
Clear
WindN 6 mph
Wind Gusts9 mph
Probability of Precipitation5%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover5%
Sun & Moon
13 hrs 34 mins
Rise
6:14 AM
Set
7:48 PM
Waxing Gibbous
Rise
12:51 PM
Set
3:16 AM
Temperature History
4/24High
Low
Forecast
74°
48°
Average
70°
47°
Last Year
82°
52°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Mostly cloudy with a temperature of 72°. The current RealFeel® Temperature is 74° (Pleasant) based on observed conditions including 63% humidity, 76% cloud cover, a UV index of 1, and winds of 1 mph. In shade, the RealFeel Shade™ is 72°. 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.