Alton Weather Today — Missouri, United States
Current temperature, rain chance, humidity, wind and air quality in Alton, plus an hourly and 3-day forecast. Updated through the day.
11:00
Sun, 20 Sep 2026
📍 Missouri, United States
Alton??
28
°C
Overcast
Feels 29°C · 82°F
💧 53% Humidity
💨 ← 12.2 km/h WNW
👁 10 km Visibility
🌧 0 mm Precip
☁ 88% Cloud
☀️ UV Moderate
🌿 AQI Good
☀️ UV Index
2.9
Moderate
🔵 Pressure
1012
hPa · 29.88 in
💨 Wind
12.2
km/h · Gust 18.4 km/h
← WNW
💧 Humidity
53%
Dew point 17.5°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
28.9°
Wind chill 27.9°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:46 AM
🌇
Sunset
07:01 PM
📅 3-Day Forecast
Sunday
20 Sep 2026
Overcast
33°
/
19°
💧57%
🌧3.44mm
💨23
☀️UV 6.9
Monday
21 Sep 2026
Overcast
23°
/
18°
💧85%
🌧4.79mm
💨17
☀️UV 2.9
Tuesday
22 Sep 2026
Overcast
22°
/
15°
💧70%
🌧0.16mm
💨19
☀️UV 1.8
🏙 More Cities in Missouri
🌤
Adair
View weather →
🌤
Adrian
View weather →
🌤
Advance
View weather →
🌤
Affton
View weather →
🌤
Albany
View weather →
🌤
Anderson
View weather →
🌤
Andrew
View weather →
🌤
Appleton City
View weather →
🌤
Archie
View weather →
🌤
Arnold
View weather →
🌤
Ash Grove
View weather →
🌤
Ashland
View weather →