Winchester, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Winchester, WI in one place.
Sunny, with a high near 88. Southwest wind around 8 mph.
Local Weather Overview
This forecast page for Winchester, WI 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 24, 2026 1:37 PM CDT.
The active forecast window currently covers May 26 to May 30, 2026 for Winchester, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:37 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Winchester
Tuesday looks like the warmest upcoming period in Winchester at 88 degrees F.
Thursday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Wednesday at about 2 to 9 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:37 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 60.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 56. Chance of precipitation is 20%.
Sunny, with a high near 79.
Mostly clear, with a low around 53.
Sunny, with a high near 76.
Mostly clear, with a low around 53.
Sunny, with a high near 76.
Mostly clear, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Sunny
|
88°F |
8 mph
SW
|
|
Tuesday Night
May 26
|
Partly Cloudy
|
60°F |
2 to 6 mph
WSW
|
|
Wednesday
May 27
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
84°F |
2 to 9 mph
NE
|
|
Wednesday Night
May 27
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
56°F |
9 mph
ENE
|
|
Thursday
May 28
|
Sunny
|
79°F |
9 mph
ENE
|
|
Thursday Night
May 28
|
Mostly Clear
|
53°F |
5 to 9 mph
ENE
|
|
Friday
May 29
|
Sunny
|
76°F |
6 to 9 mph
ENE
|
|
Friday Night
May 29
|
Mostly Clear
|
53°F |
3 to 9 mph
ENE
|
|
Saturday
May 30
|
Sunny
|
76°F |
5 to 8 mph
ENE
|
|
Saturday Night
May 30
|
Mostly Clear
|
53°F |
3 to 7 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winchester.