Current Weather
3:14 AM
57°F
Mostly cloudy
RealFeel® 58°
Cool
RealFeel®
58°
Wind
N 3 mph
Wind Gusts
7 mph
Humidity
83%
Indoor Humidity
57% (Ideal Humidity)
Dew Point
52° F
Pressure
↔ 30.15 in
Cloud Cover
88%
Visibility
11 mi
Cloud Ceiling
5800 ft
Day
5/20
67°Hi
RealFeel®
69°
Pleasant
RealFeel Shade™
64°
Pleasant
A passing shower this morning; otherwise, cooler with times of clouds and sun
Max UV Index5.0 (Moderate)
AccuLumen Brightness Index™5 (Medium)
WindNNE 7 mph
Wind Gusts14 mph
Probability of Precipitation55%
Probability of Thunderstorms11%
Precipitation0.02 in
Rain0.02 in
Hours of Precipitation0.5
Hours of Rain0.5
Cloud Cover70%
Night
5/20
54°Lo
RealFeel®
52°
Chilly
Mostly cloudy
WindENE 6 mph
Wind Gusts8 mph
Probability of Precipitation4%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover91%
Sun & Moon
14 hrs 25 mins
Rise
5:47 AM
Set
8:12 PM
Waxing Crescent
Rise
9:23 AM
Set
12:42 AM
Temperature History
5/20High
Low
Forecast
67°
54°
Average
77°
56°
Last Year
80°
58°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Mostly cloudy with a temperature of 57°. The current RealFeel® Temperature is 58° (Cool) based on observed conditions including 83% humidity, 88% cloud cover, a UV index of 0, and winds of 3 mph. In shade, the RealFeel Shade™ is 58°. 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.