Current Weather
6:36 AM
69°F
Mostly cloudy
RealFeel® 72°
Pleasant
RealFeel Shade™ 70°
Pleasant
RealFeel®
72°
RealFeel Shade™
70°
Max UV Index
0.8 (Low)
Wind
SE 2 mph
Wind Gusts
5 mph
Humidity
89%
Indoor Humidity
89% (Humid)
Dew Point
66° F
Pressure
↔ 29.88 in
Cloud Cover
76%
Visibility
9 mi
Cloud Ceiling
24000 ft
Day
5/17
89°Hi
RealFeel®
89°
Very Warm
RealFeel Shade™
85°
Very Warm
Partly sunny, breezy and very warm; possible danger of dehydration and heatstroke while doing strenuous activities
Max UV Index10.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindS 14 mph
Wind Gusts36 mph
Probability of Precipitation2%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover28%
Night
5/17
73°Lo
RealFeel®
71°
Pleasant
Partly cloudy; breezy, very warm and more humid
WindS 15 mph
Wind Gusts31 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover63%
Sun & Moon
14 hrs 21 mins
Rise
5:48 AM
Set
8:09 PM
Waxing Crescent
Rise
5:59 AM
Set
9:52 PM
Temperature History
5/17High
Low
Forecast
89°
73°
Average
77°
58°
Last Year
76°
61°
Record
94°
1996
40°
1973
Current Weather Conditions in St. Charles
St. Charles, Missouri is currently Mostly cloudy with a temperature of 69°. The current RealFeel® Temperature is 72° (Pleasant) based on observed conditions including 89% humidity, 76% cloud cover, a UV index of 1, and winds of 2 mph. In shade, the RealFeel Shade™ is 70°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for St. Charles, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.