Current Weather
5:31 AM
63°F
Mostly cloudy
RealFeel® 64°
Pleasant
RealFeel®
64°
Wind
NNW 1 mph
Wind Gusts
2 mph
Humidity
92%
Indoor Humidity
76% (Slightly Humid)
Dew Point
60° F
Pressure
↑ 29.99 in
Cloud Cover
86%
Visibility
9 mi
Cloud Ceiling
4900 ft
Day
5/24
80°Hi
RealFeel®
85°
Very Warm
RealFeel Shade™
77°
Pleasant
Cloudy with a shower in spots early this morning, then times of clouds and sun this afternoon
Max UV Index10.0 (Very High)
AccuLumen Brightness Index™4 (Dull)
WindN 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 Cover71%
Night
5/24
56°Lo
RealFeel®
57°
Cool
Mainly clear
WindENE 4 mph
Wind Gusts6 mph
Probability of Precipitation0%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover11%
Sun & Moon
14 hrs 32 mins
Rise
5:44 AM
Set
8:16 PM
Waxing Gibbous
Rise
2:05 PM
Set
2:33 AM
Temperature History
5/24High
Low
Forecast
80°
56°
Average
78°
57°
Last Year
73°
53°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Mostly cloudy with a temperature of 63°. The current RealFeel® Temperature is 64° (Pleasant) based on observed conditions including 92% humidity, 86% cloud cover, a UV index of 0, and winds of 1 mph. In shade, the RealFeel Shade™ is 64°. 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.