Current Weather
5:14 AM
55°F
Clear
RealFeel® 58°
Cool
RealFeel®
58°
Wind
N 1 mph
Wind Gusts
1 mph
Humidity
94%
Indoor Humidity
60% (Ideal Humidity)
Dew Point
54° F
Pressure
↑ 30.09 in
Cloud Cover
0%
Visibility
10 mi
Cloud Ceiling
34000 ft
Day
5/25
82°Hi
RealFeel®
85°
Very Warm
RealFeel Shade™
79°
Pleasant
Pleasant with times of clouds and sun
Max UV Index11.0 (Extreme)
AccuLumen Brightness Index™7 (Bright)
WindESE 7 mph
Wind Gusts13 mph
Probability of Precipitation1%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover47%
Night
5/25
57°Lo
RealFeel®
57°
Cool
Increasing clouds
WindENE 5 mph
Wind Gusts7 mph
Probability of Precipitation1%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover51%
Sun & Moon
14 hrs 34 mins
Rise
5:43 AM
Set
8:17 PM
Waxing Gibbous
Rise
3:08 PM
Set
2:55 AM
Temperature History
5/25High
Low
Forecast
82°
57°
Average
79°
57°
Last Year
63°
56°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Clear with a temperature of 55°. The current RealFeel® Temperature is 58° (Cool) based on observed conditions including 94% humidity, 0% cloud cover, a UV index of 0, and winds of 1 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.