❮
Today Hourly 7 days 30 days October
❯

October 2026 Weather | Decatur, Illinois

Today 10/13
Sunny Weather
Day 90°
Night 66°
25
Wed 10/14
Rainy Weather
Day 73°
Night 63°
84
Thu 10/15
Stormy Weather
Day 77°
Night 48°
92
Fri 10/16
Windy Weather
Day 57°
Night 36°
0
Sat 10/17
Sunny Weather
Day 59°
Night 39°
0
Sun 10/18
Cloudy Weather
Day 64°
Night 50°
4
Mon 10/19
Rainy Weather
Day 68°
Night 54°
55
Tue 10/20
Sunny Weather
Day 72°
Night 54°
3
Wed 10/21
Cloudy Weather
Day 73°
Night 57°
9
Thu 10/22
Cloudy Weather
Day 73°
Night 55°
7
Fri 10/23
Rainy Weather
Day 68°
Night 52°
71
Sat 10/24
Cloudy Weather
Day 66°
Night 52°
0
Sun 10/25
Cloudy Weather
Day 64°
Night 46°
0
Mon 10/26
Sunny Weather
Day 61°
Night 45°
5
Tue 10/27
Cloudy Weather
Day 63°
Night 39°
25
Wed 10/28
Cloudy Weather
Day 61°
Night 46°
Thu 10/29
Sunny Weather
Day 61°
Night 41°
Fri 10/30
Cloudy Weather
Day 59°
Night 46°
Sat 10/31
Cloudy Weather
Day 64°
Night 46°

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