Sullivan Weather Today — Illinois, United States
Current temperature, rain chance, humidity, wind and air quality in Sullivan, plus an hourly and 3-day forecast. Updated through the day.
23:04
Fri, 18 Sep 2026
📍 Illinois, United States
Sullivan??
12
°C
Clear
Feels 8°C · 54°F
💧 52% Humidity
💨 ↑ 18.4 km/h NNW
👁 10 km Visibility
🌧 0 mm Precip
☁ 0% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1018
hPa · 30.05 in
💨 Wind
18.4
km/h · Gust 44 km/h
↑ NNW
💧 Humidity
52%
Dew point 2.7°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
12.3°
Wind chill 10.4°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:43 AM
🌇
Sunset
07:03 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Overcast
29°
/
16°
💧55%
🌧3.64mm
💨41
☀️UV 5.7
Saturday
19 Sep 2026
Patchy rain nearby
28°
/
13°
💧61%
🌧1.58mm
💨30
☀️UV 7.4
Sunday
20 Sep 2026
Sunny
22°
/
13°
💧63%
🌧2.29mm
💨21
☀️UV 7.3
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