Weather in Lerna, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:03 PM ET · Refreshes every hour
75°F
Clear sky
Feels like 78°F
62%
Humidity
6 mph
Wind Speed
About Weather in Lerna
Lerna is located in Illinois (coordinates: 39.417876°N, 88.288783°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.