Winchester, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Winchester, IL in one place.
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms between 8am and noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Winchester, 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: May 31, 2026 7:56 AM CDT.
The active forecast window currently covers Jun 1 to Jun 6, 2026 for Winchester, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 6, 2026
- Latest sync
- May 31, 2026 7:56 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Winchester
Friday looks like the warmest upcoming period in Winchester at 87 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Friday at about 6 to 10 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 7:56 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. Northeast wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 82. East northeast wind 5 to 8 mph.
Mostly clear, with a low around 55. East wind 3 to 7 mph.
Sunny, with a high near 81.
Mostly clear, with a low around 56.
Sunny, with a high near 85.
Partly cloudy, with a low around 62.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Slight Chance Showers And Thunderstorms
|
85°F |
5 mph
NE
|
|
Monday Night
Jun 1
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
59°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
82°F |
5 to 8 mph
ENE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
55°F |
3 to 7 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
6 mph
ESE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
56°F |
5 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
85°F |
5 to 8 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
62°F |
7 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
6 to 10 mph
SSW
|
|
Friday Night
Jun 5
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
65°F |
7 mph
SSW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
87°F |
9 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winchester.
Nearby forecast pages are not available for this location yet.
