Current Weather
9:47 AM
67°F
Sunny
RealFeel® 74°
Pleasant
RealFeel Shade™ 66°
Pleasant
RealFeel®
74°
RealFeel Shade™
66°
Max UV Index
4.1 (Moderate)
Wind
ESE 2 mph
Wind Gusts
7 mph
Humidity
64%
Indoor Humidity
63% (Ideal Humidity)
Dew Point
55° F
Pressure
↑ 29.93 in
Cloud Cover
0%
Visibility
13 mi
Cloud Ceiling
40000 ft
Day
4/26
79°Hi
RealFeel®
81°
Pleasant
RealFeel Shade™
76°
Pleasant
Periods of clouds and sunshine
Max UV Index8.0 (Very High)
AccuLumen Brightness Index™6 (Medium)
WindSE 9 mph
Wind Gusts17 mph
Probability of Precipitation25%
Probability of Thunderstorms1%
Precipitation0.00 in
Cloud Cover51%
Night
4/26
61°Lo
RealFeel®
56°
Cool
Cloudy
WindSE 9 mph
Wind Gusts15 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover96%
Sun & Moon
13 hrs 38 mins
Rise
6:12 AM
Set
7:50 PM
Waxing Gibbous
Rise
3:07 PM
Set
4:06 AM
Temperature History
4/26High
Low
Forecast
79°
61°
Average
71°
48°
Last Year
64°
53°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Sunny with a temperature of 67°. The current RealFeel® Temperature is 74° (Pleasant) based on observed conditions including 64% humidity, 0% cloud cover, a UV index of 4, and winds of 2 mph. In shade, the RealFeel Shade™ is 66°. 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.