❮
Today Hourly 7 days 30 days June
❯

June 2026 Weather | Decatur, Illinois

Today 6/29
Cloudy Night
Day 91°
Night 75°
1
Tue 6/30
Cloudy Weather
Day 95°
Night 75°
2

Explore U.S. Weather Trends

❄️ Coldest Cities in the U.S. – Live Temperature Rankings 🔥 Hottest Cities Today – Real-Time Heat Observations ⚠️ Active Weather Alerts – Warnings, Watches & Advisories 🌪️ Windiest Cities – Highest Sustained Wind Speeds 🌫️ Worst Air Quality – Cities with the Highest AQI 🍃 Best Air Quality – Cities with the Lowest AQI