View hourly forecasts 10-days ahead
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9 PM
58°
RealFeel®
54°
Cool
44%
Thunderstorms
WindSW 9 mph
Air QualityFair
Wind Gusts10 mph
Humidity94%
Indoor Humidity67% (Slightly Humid)
Dew Point57° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover93%
Visibility10 mi
Cloud Ceiling10000 ft
10 PM
59°
RealFeel®
54°
Cool
44%
Thunderstorms
WindSW 10 mph
Air QualityFair
Wind Gusts12 mph
Humidity100%
Indoor Humidity72% (Slightly Humid)
Dew Point59° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover84%
Visibility10 mi
Cloud Ceiling10000 ft
11 PM
59°
RealFeel®
56°
Cool
39%
Mostly clear
WindSW 8 mph
Air QualityFair
Wind Gusts10 mph
Humidity100%
Indoor Humidity73% (Slightly Humid)
Dew Point59° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover12%
Visibility10 mi
Cloud Ceiling30000 ft
Hourly Weather Forecast for St. Charles
AccuWeather's hourly forecast for St. Charles provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 58° with a RealFeel® of 54°, thunderstorms with a 44% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.
