Wilmington, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Wilmington, IL in one place.
Mostly cloudy, with a high near 68. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Wilmington, 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: Sep 22, 2026 8:18 AM CDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Wilmington, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 8:18 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Wilmington
Monday looks like the warmest upcoming period in Wilmington at 77 degrees F.
Friday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 10 mph NE.
The forecast from Sep 23 through Sep 28 stays mostly dry.
Forecast Details
- Last updated
- Sep 22, 2026 8:18 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 54. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly cloudy, with a high near 70. East northeast wind around 5 mph, with gusts as high as 10 mph.
Mostly cloudy, with a low around 53.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 48.
Partly sunny, with a high near 70.
Mostly cloudy, with a low around 52.
Mostly cloudy, with a high near 73.
Mostly cloudy, with a low around 55.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Mostly Cloudy
|
68°F |
5 to 10 mph
NE
|
|
Wednesday Night
Sep 23
|
Mostly Cloudy
|
54°F |
5 to 10 mph
NE
|
|
Thursday
Sep 24
|
Mostly Cloudy
|
70°F |
5 mph
ENE
|
|
Thursday Night
Sep 24
|
Mostly Cloudy
|
53°F |
0 to 5 mph
ENE
|
|
Friday
Sep 25
|
Mostly Sunny
|
70°F |
0 to 5 mph
E
|
|
Friday Night
Sep 25
|
Partly Cloudy
|
48°F |
0 to 5 mph
E
|
|
Saturday
Sep 26
|
Partly Sunny
|
70°F |
0 mph
|
|
Saturday Night
Sep 26
|
Mostly Cloudy
|
52°F |
0 mph
|
|
Sunday
Sep 27
|
Mostly Cloudy
|
73°F |
0 mph
|
|
Sunday Night
Sep 27
|
Mostly Cloudy
|
55°F |
0 mph
|
|
Monday
Sep 28
|
Mostly Sunny
|
77°F |
0 to 5 mph
SE
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
58°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wilmington.
