Weather in Thayer, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:49 PM ET · Refreshes every hour
78°F
Clear sky
Feels like 76°F
41%
Humidity
9 mph
Wind Speed
About Weather in Thayer
Thayer is located in Illinois (coordinates: 39.540378°N, 89.758042°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.