Castleton, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Castleton, IL in one place.
Sunny, with a high near 47. North wind 6 to 12 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Castleton, 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: Nov 6, 2026 9:03 AM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Castleton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 9:03 AM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Castleton
Monday looks like the warmest upcoming period in Castleton at 65 degrees F.
Tonight is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Today at about 6 to 12 mph N.
The forecast from Nov 6 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 9:03 AM CST
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 28. Northwest wind around 3 mph.
Mostly sunny. High near 51, with temperatures falling to around 46 in the afternoon. West wind 1 to 6 mph.
Mostly clear, with a low around 35. West southwest wind around 6 mph.
Sunny. High near 60, with temperatures falling to around 54 in the afternoon. West wind 6 to 9 mph.
Clear, with a low around 37. West southwest wind 1 to 5 mph.
Sunny, with a high near 65. South southwest wind 1 to 12 mph, with gusts as high as 18 mph.
Clear, with a low around 42.
Sunny, with a high near 62.
Mostly clear, with a low around 38.
Mostly sunny, with a high near 60.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 55.
Mostly clear, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 6
|
Sunny
|
47°F |
6 to 12 mph
N
|
|
Tonight
Nov 6
|
Mostly Clear
|
28°F |
3 mph
NW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
51°F |
1 to 6 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
35°F |
6 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
60°F |
6 to 9 mph
W
|
|
Sunday Night
Nov 8
|
Clear
|
37°F |
1 to 5 mph
WSW
|
|
Monday
Nov 9
|
Sunny
|
65°F |
1 to 12 mph
SSW
|
|
Monday Night
Nov 9
|
Clear
|
42°F |
3 to 8 mph
WSW
|
|
Tuesday
Nov 10
|
Sunny
|
62°F |
3 mph
WNW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
38°F |
1 mph
NW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
60°F |
1 to 5 mph
NNW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
39°F |
3 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
55°F |
3 to 8 mph
NNW
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
35°F |
5 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castleton.