View hourly forecasts 10-days ahead
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11 PM
29°
RealFeel®
27°
Cold
0%
Clear
WindS 5 mph
Air QualityFair
Wind Gusts6 mph
Humidity73%
Indoor Humidity31% (Dry)
Dew Point21° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover0%
Visibility10 mi
Cloud Ceiling33400 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 29° with a RealFeel® of 27°, clear 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.
