Mattoon Weather Today — Illinois, United States
Current temperature, rain chance, humidity, wind and air quality in Mattoon, plus an hourly and 3-day forecast. Updated through the day.
14:30
Fri, 18 Sep 2026
📍 Illinois, United States
Mattoon??
31
°C
Sunny
Feels 33°C · 88°F
💧 51% Humidity
💨 ↑ 9.4 km/h N
👁 10 km Visibility
🌧 0 mm Precip
☁ 13% Cloud
☀️ UV High
🌿 AQI Good
☀️ UV Index
6.2
High
🔵 Pressure
1019
hPa · 30.09 in
💨 Wind
9.4
km/h · Gust 9.4 km/h
↑ N
💧 Humidity
51%
Dew point 19.8°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
33.4°
Wind chill 31°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:37 AM
🌇
Sunset
06:57 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Sunny
31°
/
20°
💧83%
🌧4.85mm
💨23
☀️UV 6.9
Saturday
19 Sep 2026
Overcast
34°
/
21°
💧72%
🌧3.32mm
💨16
☀️UV 6.3
Sunday
20 Sep 2026
Overcast
31°
/
19°
💧60%
🌧3.75mm
💨21
☀️UV 6.9
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