Weather in Sumner, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:01 PM ET · Refreshes every hour
77°F
Overcast
Feels like 82°F
81%
Humidity
7 mph
Wind Speed
About Weather in Sumner
Sumner is located in Illinois (coordinates: 38.715378°N, 87.866692°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.