Current Weather
4:23 AM
70°F
Mostly cloudy
RealFeel® 73°
Pleasant
RealFeel®
73°
Wind
WNW 1 mph
Wind Gusts
2 mph
Humidity
90%
Indoor Humidity
90% (Very Humid)
Dew Point
67° F
Pressure
↔ 29.92 in
Cloud Cover
84%
Visibility
9 mi
Cloud Ceiling
31000 ft
Day
7/5
87°Hi
RealFeel®
99°
Hot
RealFeel Shade™
89°
Very Warm
Intervals of clouds and sun with a thunderstorm; humid
Max UV Index8.0 (Very High)
AccuLumen Brightness Index™6 (Medium)
WindNNW 7 mph
Wind Gusts14 mph
Probability of Precipitation55%
Probability of Thunderstorms33%
Precipitation0.13 in
Rain0.13 in
Hours of Precipitation1.5
Hours of Rain1.5
Cloud Cover64%
Night
7/5
69°Lo
RealFeel®
70°
Pleasant
Partly cloudy and humid
WindNNE 6 mph
Wind Gusts10 mph
Probability of Precipitation10%
Probability of Thunderstorms2%
Precipitation0.00 in
Cloud Cover45%
Sun & Moon
14 hrs 48 mins
Rise
5:43 AM
Set
8:31 PM
Waning Gibbous
Rise
11:44 PM
Set
12:12 PM
Temperature History
7/5High
Low
Forecast
87°
69°
Average
88°
67°
Last Year
93°
66°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Mostly cloudy with a temperature of 70°. The current RealFeel® Temperature is 73° (Pleasant) based on observed conditions including 90% humidity, 84% cloud cover, a UV index of 0, and winds of 1 mph. In shade, the RealFeel Shade™ is 73°. 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.
