Weather in Harrisburg, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:16 PM ET · Refreshes every hour
74°F
Partly cloudy
Feels like 81°F
83%
Humidity
3 mph
Wind Speed
About Weather in Harrisburg
Harrisburg is located in Illinois (coordinates: 37.737717°N, 88.545818°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.