Current Weather
8:32 AM
83°F
Sunny
RealFeel® 95°
Hot
RealFeel Shade™ 90°
Hot
RealFeel®
95°
RealFeel Shade™
90°
Heat Index
89°
Max UV Index
2.3 (Low)
Wind
WNW 2 mph
Wind Gusts
7 mph
Humidity
74%
Indoor Humidity
74% (Extremely Humid)
Dew Point
74° F
Pressure
↑ 30.05 in
Cloud Cover
3%
Visibility
17 mi
Cloud Ceiling
40000 ft
Day
9/2
99°Hi
RealFeel®
104°
Very Hot
RealFeel Shade™
99°
Hot
Mostly sunny and very hot; caution advised if outside for extended periods of time
Max UV Index7.0 (High)
AccuLumen Brightness Index™9 (Very Bright)
WindSW 8 mph
Wind Gusts15 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover18%
Night
9/2
74°Lo
RealFeel®
79°
Pleasant
Clear, warm and humid
WindSSW 6 mph
Wind Gusts12 mph
Probability of Precipitation2%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover1%
Sun & Moon
13 hrs 00 mins
Rise
6:30 AM
Set
7:30 PM
Waning Gibbous
Rise
10:12 PM
Set
1:46 PM
Temperature History
9/2High
Low
Forecast
99°
74°
Average
84°
64°
Last Year
82°
57°
Current Weather Conditions in Alton
Alton, Illinois is currently Sunny with a temperature of 83°. The current RealFeel® Temperature is 95° (Hot) based on observed conditions including 74% humidity, 3% cloud cover, a UV index of 2, and winds of 2 mph. In shade, the RealFeel Shade™ is 90°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Alton, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
