Weather in St. Jacob, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:07 PM ET · Refreshes every hour
77°F
Clear sky
Feels like 83°F
64%
Humidity
5 mph
Wind Speed
About Weather in St. Jacob
St. Jacob is located in Illinois (coordinates: 38.718016°N, 89.763258°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.