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10 PM
65°
RealFeel®
63°
Pleasant
Partly cloudy
WindSSE 8 mph
Air QualityFair
Wind Gusts14 mph
Humidity54%
Indoor Humidity49% (Ideal Humidity)
Dew Point48° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover35%
Visibility10 mi
Cloud Ceiling33500 ft
11 PM
63°
RealFeel®
61°
Cool
Partly cloudy
WindS 8 mph
Air QualityFair
Wind Gusts13 mph
Humidity58%
Indoor Humidity49% (Ideal Humidity)
Dew Point48° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover45%
Visibility10 mi
Cloud Ceiling30000 ft
Hourly Weather Forecast for Alton
AccuWeather's hourly forecast for Alton provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 65° with a RealFeel® of 63°, partly cloudy with a 0% 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.