Frederick, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Frederick, IL in one place.
Mostly sunny. High near 53, with temperatures falling to around 47 in the afternoon. West wind 0 to 3 mph.
Local Weather Overview
This forecast page for Frederick, 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 9:55 AM CST.
The active forecast window currently covers Nov 7 to Nov 12, 2026 for Frederick, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 9:55 AM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Frederick
Monday looks like the warmest upcoming period in Frederick at 67 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Monday at about 1 to 9 mph SW.
The forecast from Nov 7 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 9:55 AM CST
- Coverage
- 7 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
Mostly clear, with a low around 33. West southwest wind around 3 mph.
Sunny. High near 62, with temperatures falling to around 56 in the afternoon. West southwest wind 3 to 7 mph.
Mostly clear, with a low around 37. West wind 0 to 3 mph.
Sunny, with a high near 67. Southwest wind 1 to 9 mph, with gusts as high as 16 mph.
Clear, with a low around 42.
Sunny, with a high near 66.
Mostly clear, with a low around 38.
Mostly sunny, with a high near 63.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 58.
Mostly clear, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Mostly Sunny
|
53°F |
0 to 3 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
33°F |
3 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
62°F |
3 to 7 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
37°F |
0 to 3 mph
W
|
|
Monday
Nov 9
|
Sunny
|
67°F |
1 to 9 mph
SW
|
|
Monday Night
Nov 9
|
Clear
|
42°F |
1 to 6 mph
WSW
|
|
Tuesday
Nov 10
|
Sunny
|
66°F |
2 mph
WNW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
38°F |
0 mph
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
63°F |
0 to 5 mph
NNW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
39°F |
2 mph
NNW
|
|
Thursday
Nov 12
|
Mostly Sunny
|
58°F |
2 to 8 mph
NNW
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
36°F |
1 to 5 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Frederick.