View hourly forecasts 10-days ahead
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9 PM
78°
RealFeel®
84°
Very Warm
55%
Thunderstorms
Heat Index80°
WindSSE 6 mph
Air QualityFair
Wind Gusts7 mph
Humidity96%
Indoor Humidity95% (Extremely Humid)
Dew Point76° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover100%
Rain0.05 in
Visibility10 mi
Cloud Ceiling17500 ft
10 PM
76°
RealFeel®
81°
Pleasant
47%
Thunderstorms
WindESE 6 mph
Air QualityFair
Wind Gusts6 mph
Humidity93%
Indoor Humidity93% (Extremely Humid)
Dew Point73° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover97%
Visibility10 mi
Cloud Ceiling14700 ft
11 PM
75°
RealFeel®
77°
Pleasant
51%
Thunderstorms
WindSE 6 mph
Air QualityFair
Wind Gusts6 mph
Humidity95%
Indoor Humidity95% (Extremely Humid)
Dew Point73° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover92%
Rain0.15 in
Visibility4 mi
Cloud Ceiling2000 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 78° with a RealFeel® of 84°, thunderstorms with a 55% 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.
