Current Weather
7:41 AM
55°F
Sunny
RealFeel® 62°
Cool
RealFeel Shade™ 57°
Cool
RealFeel®
62°
RealFeel Shade™
57°
Max UV Index
1.9 (Low)
Wind
NE 1 mph
Wind Gusts
3 mph
Humidity
77%
Indoor Humidity
48% (Ideal Humidity)
Dew Point
48° F
Pressure
↑ 30.11 in
Cloud Cover
0%
Visibility
14 mi
Cloud Ceiling
40000 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
58°Lo
RealFeel®
49°
Chilly
Partly cloudy with a thunderstorm toward dawn; thunderstorms can produce hail
WindSSE 9 mph
Wind Gusts14 mph
Probability of Precipitation60%
Probability of Thunderstorms36%
Precipitation0.21 in
Rain0.21 in
Hours of Precipitation1
Hours of Rain1
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°
58°
Average
76°
54°
Last Year
84°
58°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Sunny with a temperature of 55°. The current RealFeel® Temperature is 62° (Cool) based on observed conditions including 77% humidity, 0% cloud cover, a UV index of 2, and winds of 1 mph. In shade, the RealFeel Shade™ is 57°. 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.