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Hamilton Weather Today — Illinois, United States

Current temperature, rain chance, humidity, wind and air quality in Hamilton, plus an hourly and 3-day forecast. Updated through the day.

05:19
Sat, 19 Sep 2026
📍 Illinois, United States
Hamilton??
18
°C
Cloudy
Feels 19°C  ·  65°F
💧 80% Humidity
💨 → 6.5 km/h ENE
👁 10 km Visibility
🌧 0 mm Precip
78% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1018
hPa  ·  30.05 in
💨 Wind
6.5
km/h  ·  Gust 16.2 km/h
ENE
💧 Humidity
80%
Dew point 14.6°C
👁 Visibility
10
km  ·  6 miles
🌡 Heat Index
18.2°
Wind chill 18.2°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
07:23 AM
🌇
Sunset
07:40 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Sunny
30°
/
18°
💧75%
🌧12.68mm
💨10
☀️UV 7
Sunday
20 Sep 2026
Light rain shower
30°
/
21°
💧81%
🌧7.21mm
💨14
☀️UV 2.9
Monday
21 Sep 2026
Partly Cloudy
25°
/
17°
💧87%
🌧8mm
💨15
☀️UV 5.4
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