Weather in Allendale, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:04 PM ET · Refreshes every hour
76°F
Overcast
Feels like 81°F
74%
Humidity
4 mph
Wind Speed
About Weather in Allendale
Allendale is located in Illinois (coordinates: 38.527627°N, 87.710344°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.