Weather in St. Augustine, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:03 PM ET · Refreshes every hour
81°F
Clear sky
Feels like 80°F
31%
Humidity
6 mph
Wind Speed
About Weather in St. Augustine
St. Augustine is located in Illinois (coordinates: 40.721273°N, 90.406927°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.