Weather in Hartz Lake, Indiana
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 06:16 PM ET · Refreshes every hour
68°F
Partly cloudy
Feels like 71°F
83%
Humidity
5 mph
Wind Speed
About Weather in Hartz Lake
Hartz Lake is located in Indiana (coordinates: 41.177881°N, 86.497975°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.