McLean Weather Today — Illinois, United States
Current temperature, rain chance, humidity, wind and air quality in McLean, plus an hourly and 3-day forecast. Updated through the day.
09:50
Fri, 18 Sep 2026
📍 Illinois, United States
McLean??
20
°C
Sunny
Feels 20°C · 68°F
💧 86% Humidity
💨 → 15.8 km/h E
👁 10 km Visibility
🌧 0 mm Precip
☁ 13% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
1.3
Low
🔵 Pressure
1022
hPa · 30.18 in
💨 Wind
15.8
km/h · Gust 22 km/h
→ E
💧 Humidity
86%
Dew point 17.8°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
20.2°
Wind chill 20.2°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:52 AM
🌇
Sunset
07:12 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Patchy rain nearby
28°
/
21°
💧79%
🌧3.19mm
💨16
☀️UV 7.3
Saturday
19 Sep 2026
Partly Cloudy
25°
/
16°
💧61%
🌧0mm
💨15
☀️UV 7.3
Sunday
20 Sep 2026
Patchy rain nearby
26°
/
19°
💧81%
🌧2.01mm
💨16
☀️UV 4.6
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