Current Weather
11:37 AM
81°F
Sunny
RealFeel® 94°
Hot
RealFeel Shade™ 81°
Pleasant
RealFeel®
94°
RealFeel Shade™
81°
Heat Index
82°
Max UV Index
10.1 (Very High)
Wind
N 2 mph
Wind Gusts
5 mph
Humidity
54%
Indoor Humidity
54% (Humid)
Dew Point
63° F
Pressure
↔ 29.98 in
Cloud Cover
3%
Visibility
15 mi
Cloud Ceiling
40000 ft
Day
6/20
84°Hi
RealFeel®
94°
Hot
RealFeel Shade™
83°
Very Warm
Partly sunny
Max UV Index11.0 (Extreme)
AccuLumen Brightness Index™7 (Bright)
WindN 5 mph
Wind Gusts10 mph
Probability of Precipitation1%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover37%
Night
6/20
69°Lo
RealFeel®
67°
Pleasant
Clouds breaking with a thunderstorm in spots late
WindE 6 mph
Wind Gusts9 mph
Probability of Precipitation55%
Probability of Thunderstorms33%
Precipitation0.04 in
Rain0.04 in
Hours of Precipitation0.5
Hours of Rain0.5
Cloud Cover70%
Sun & Moon
14 hrs 53 mins
Rise
5:38 AM
Set
8:31 PM
Waxing Crescent
Rise
11:54 AM
Set
12:37 AM
Temperature History
6/20High
Low
Forecast
84°
69°
Average
86°
65°
Last Year
91°
64°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Sunny with a temperature of 81°. The current RealFeel® Temperature is 94° (Hot) based on observed conditions including 54% humidity, 3% cloud cover, a UV index of 10, and winds of 2 mph. In shade, the RealFeel Shade™ is 81°. 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.
