Weather in Dewey, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:51 PM ET · Refreshes every hour
73°F
Clear sky
Feels like 72°F
55%
Humidity
9 mph
Wind Speed
About Weather in Dewey
Dewey is located in Illinois (coordinates: 40.319252°N, 88.283378°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.