Boone County Weather Today — Illinois, United States
Current temperature, rain chance, humidity, wind and air quality in Boone County, plus an hourly and 3-day forecast. Updated through the day.
09:56
Fri, 18 Sep 2026
📍 Illinois, United States
Boone County??
24
°C
Sunny
Feels 22°C · 76°F
💧 42% Humidity
💨 ↖ 12.2 km/h NW
👁 10 km Visibility
🌧 0 mm Precip
☁ 8% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
1.4
Low
🔵 Pressure
1015
hPa · 29.97 in
💨 Wind
12.2
km/h · Gust 15.9 km/h
↖ NW
💧 Humidity
42%
Dew point 10.5°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
25.1°
Wind chill 24.4°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:56 AM
🌇
Sunset
07:15 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Sunny
37°
/
25°
💧48%
🌧0mm
💨13
☀️UV 7.6
Saturday
19 Sep 2026
Sunny
37°
/
23°
💧41%
🌧0mm
💨18
☀️UV 7.6
Sunday
20 Sep 2026
Overcast
36°
/
23°
💧44%
🌧0mm
💨16
☀️UV 7.9
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