Chester Weather Today — Illinois, United States
Current temperature, rain chance, humidity, wind and air quality in Chester, plus an hourly and 3-day forecast. Updated through the day.
00:38
Sat, 19 Sep 2026
📍 Illinois, United States
Chester??
20
°C
Cloudy
Feels 18°C · 68°F
💧 57% Humidity
💨 ↑ 14.4 km/h NNE
👁 10 km Visibility
🌧 0 mm Precip
☁ 64% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1019
hPa · 30.09 in
💨 Wind
14.4
km/h · Gust 33.2 km/h
↑ NNE
💧 Humidity
57%
Dew point 11.3°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
20.1°
Wind chill 20.1°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:46 AM
🌇
Sunset
07:04 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Sunny
25°
/
17°
💧55%
🌧0mm
💨17
☀️UV 7
Sunday
20 Sep 2026
Overcast
27°
/
17°
💧75%
🌧0.67mm
💨23
☀️UV 4.5
Monday
21 Sep 2026
Light rain shower
21°
/
15°
💧86%
🌧4.99mm
💨22
☀️UV 3.8
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