View hourly forecasts 10-days ahead
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9 PM
86°
RealFeel®
88°
Very Warm
16%
Partly cloudy
Heat Index91°
WindS 12 mph
Air QualityFair
Wind Gusts23 mph
Humidity62%
Indoor Humidity62% (Extremely Humid)
Dew Point72° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover46%
Visibility10 mi
Cloud Ceiling30000 ft
10 PM
83°
RealFeel®
87°
Very Warm
16%
Intermittent clouds
Heat Index89°
WindS 10 mph
Air QualityFair
Wind Gusts22 mph
Humidity72%
Indoor Humidity72% (Extremely Humid)
Dew Point73° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover50%
Visibility10 mi
Cloud Ceiling30000 ft
11 PM
80°
RealFeel®
85°
Very Warm
16%
Intermittent clouds
Heat Index85°
WindS 10 mph
Air QualityFair
Wind Gusts20 mph
Humidity78%
Indoor Humidity78% (Extremely Humid)
Dew Point73° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover59%
Visibility10 mi
Cloud Ceiling15800 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 86° with a RealFeel® of 88°, partly cloudy with a 16% 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.
