Weather in Plymouth, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 06:19 PM ET · Refreshes every hour
82°F
Clear sky
Feels like 79°F
31%
Humidity
5 mph
Wind Speed
About Weather in Plymouth
Plymouth is located in Illinois (coordinates: 40.292148°N, 90.91626°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.