Current Weather
10:04 AM
64°F
Sunny
RealFeel® 77°
Pleasant
RealFeel Shade™ 64°
Pleasant
RealFeel®
77°
RealFeel Shade™
64°
Max UV Index
6.8 (High)
Wind
SE 2 mph
Wind Gusts
6 mph
Humidity
55%
Indoor Humidity
47% (Ideal Humidity)
Dew Point
47° F
Pressure
↔ 30.12 in
Cloud Cover
0%
Visibility
22 mi
Cloud Ceiling
33300 ft
Day
5/14
76°Hi
RealFeel®
81°
Pleasant
RealFeel Shade™
73°
Pleasant
Sunny to partly cloudy and pleasant
Max UV Index10.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindSE 8 mph
Wind Gusts16 mph
Probability of Precipitation1%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover17%
Night
5/14
57°Lo
RealFeel®
51°
Chilly
Partly cloudy with a thunderstorm toward dawn; thunderstorms can produce hail
WindSSE 8 mph
Wind Gusts14 mph
Probability of Precipitation55%
Probability of Thunderstorms33%
Precipitation0.05 in
Rain0.05 in
Hours of Precipitation0.5
Hours of Rain0.5
Cloud Cover47%
Sun & Moon
14 hrs 15 mins
Rise
5:52 AM
Set
8:07 PM
Waning Crescent
Rise
4:06 AM
Set
5:57 PM
Temperature History
5/14High
Low
Forecast
76°
57°
Average
76°
54°
Last Year
84°
58°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Sunny with a temperature of 64°. The current RealFeel® Temperature is 77° (Pleasant) based on observed conditions including 55% humidity, 0% cloud cover, a UV index of 7, and winds of 2 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.