Weather in Waynesville, IL
Updated 2026-09-26 09:00 local time · ZIP codes 61778
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
59°16% rain61°14% rain64°13% rain65°12% rain66°12% rain67°11% rain67°11% rain68°9% rain68°11% rain68°13% rain
65°14% rain64°15% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 16%).
It feels like 54°F with winds near 8 mph.
68°F, 9% rain chance and 4 mph wind.
Visibility is around 6 mi; gusts may reach 11 mph.
Current temperature is 59°F, wind 8 mph, rain chance up to 16%.
UV index is 1.
Local weather characteristics in Waynesville
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Waynesville is part of the Midwest weather region. The forecast point is near 40.24°N latitude and 89.12°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Waynesville weather today
Overcast and 59°F in Waynesville, IL. Today's high is 68°F with a 13% rain chance. Winds are around 8 mph with gusts near 11 mph. Relative humidity is 64%, pressure is 30.18 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Waynesville
Sunrise is at 06:48 AM and sunset is at 06:47 PM. Tomorrow's forecast calls for Sunny with a high near 73°F and a low near 57°F. The maximum rain chance is 6%.