Waynesville, IL Weather Forecast
Local 7-day forecast
Areas Of Frost then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Waynesville, IL in one place.
Areas of frost before 8am. Sunny, with a high near 67. South wind 7 to 12 mph, with gusts as high as 16 mph.
Local Weather Overview
This forecast page for Waynesville, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 17, 2026 5:08 PM CDT.
The active forecast window currently covers Oct 18 to Oct 23, 2026 for Waynesville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 18 to Oct 23, 2026
- Latest sync
- Oct 17, 2026 5:08 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Waynesville
Thursday looks like the warmest upcoming period in Waynesville at 77 degrees F.
Sunday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Sunday at about 7 to 12 mph S.
The forecast from Oct 18 through Oct 23 stays mostly dry.
Forecast Details
- Last updated
- Oct 17, 2026 5:08 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 38. South southeast wind 3 to 8 mph.
Sunny, with a high near 71. South southeast wind around 5 mph.
Mostly clear, with a low around 41. East southeast wind around 3 mph.
Sunny, with a high near 74. East southeast wind around 3 mph.
Mostly clear, with a low around 45.
Sunny, with a high near 76.
Mostly clear, with a low around 49.
Sunny, with a high near 77.
Mostly clear, with a low around 49.
Sunny, with a high near 77.
Mostly clear, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
67°F |
7 to 12 mph
S
|
|
Sunday Night
Oct 18
|
Clear
|
38°F |
3 to 8 mph
SSE
|
|
Monday
Oct 19
|
Sunny
|
71°F |
5 mph
SSE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
41°F |
3 mph
ESE
|
|
Tuesday
Oct 20
|
Sunny
|
74°F |
3 mph
ESE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
45°F |
3 mph
ESE
|
|
Wednesday
Oct 21
|
Sunny
|
76°F |
3 mph
SSE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
49°F |
2 mph
SE
|
|
Thursday
Oct 22
|
Sunny
|
77°F |
3 mph
SE
|
|
Thursday Night
Oct 22
|
Mostly Clear
|
49°F |
5 mph
E
|
|
Friday
Oct 23
|
Sunny
|
77°F |
7 mph
SE
|
|
Friday Night
Oct 23
|
Mostly Clear
|
51°F |
7 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waynesville.