Marion County Weather Today — Illinois, United States
Current temperature, rain chance, humidity, wind and air quality in Marion County, plus an hourly and 3-day forecast. Updated through the day.
04:14
Sat, 19 Sep 2026
📍 Illinois, United States
Marion County??
28
°C
Light rain shower
Feels 31°C · 82°F
💧 74% Humidity
💨 ↙ 6.8 km/h SW
👁 10 km Visibility
🌧 0.23 mm Precip
☁ 92% Cloud
☀️ UV Low
🌿 AQI Fair
☀️ UV Index
0
Low
🔵 Pressure
1012
hPa · 29.88 in
💨 Wind
6.8
km/h · Gust 17.6 km/h
↙ SW
💧 Humidity
74%
Dew point 22.7°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
31.1°
Wind chill 27.9°C
🌿 Air Quality
Fair
US EPA Index: 2
🌅
Sunrise
06:43 AM
🌇
Sunset
06:54 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Overcast
30°
/
27°
💧72%
🌧1.5mm
💨16
☀️UV 10.4
Sunday
20 Sep 2026
Overcast
30°
/
28°
💧75%
🌧6.76mm
💨17
☀️UV 11.3
Monday
21 Sep 2026
Overcast
30°
/
28°
💧72%
🌧1.29mm
💨11
☀️UV 10.2
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