Weather in Lannon, Wisconsin
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:20 PM ET · Refreshes every hour
Weather data temporarily unavailable.
About Weather in Lannon
Lannon is located in Wisconsin (coordinates: 43.15724°N, 88.158198°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.