Weather in Potomac, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:04 PM ET · Refreshes every hour
73°F
Partly cloudy
Feels like 75°F
69%
Humidity
8 mph
Wind Speed
About Weather in Potomac
Potomac is located in Illinois (coordinates: 40.306741°N, 87.797601°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.