Current Weather
12:05 AM
70°F
Cloudy
RealFeel® 71°
Pleasant
RealFeel®
71°
Wind
SE 2 mph
Wind Gusts
7 mph
Humidity
85%
Indoor Humidity
85% (Humid)
Dew Point
65° F
Pressure
↔ 29.86 in
Cloud Cover
99%
Visibility
11 mi
Cloud Ceiling
23000 ft
Day
5/17
91°Hi
RealFeel®
93°
Hot
RealFeel Shade™
88°
Very Warm
Partly sunny and hot; possible danger of dehydration and heatstroke while doing strenuous activities
Max UV Index10.0 (Very High)
AccuLumen Brightness Index™8 (Bright)
WindS 13 mph
Wind Gusts31 mph
Probability of Precipitation5%
Probability of Thunderstorms1%
Precipitation0.00 in
Cloud Cover32%
Night
5/17
71°Lo
RealFeel®
69°
Pleasant
Partly cloudy; breezy, very warm and more humid
WindS 15 mph
Wind Gusts30 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover59%
Sun & Moon
14 hrs 21 mins
Rise
5:49 AM
Set
8:10 PM
Waxing Crescent
Rise
6:00 AM
Set
9:53 PM
Temperature History
5/17High
Low
Forecast
91°
71°
Average
77°
55°
Last Year
74°
56°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Cloudy with a temperature of 70°. The current RealFeel® Temperature is 71° (Pleasant) based on observed conditions including 85% humidity, 99% cloud cover, a UV index of 0, and winds of 2 mph. In shade, the RealFeel Shade™ is 71°. 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.
