Winchester, AR Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Winchester, AR in one place.
Sunny, with a high near 102. Heat index values as high as 110. West southwest wind 5 to 10 mph.
Local Weather Overview
This forecast page for Winchester, AR 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: Aug 15, 2026 9:03 PM CDT.
The active forecast window currently covers Aug 16 to Aug 22, 2026 for Winchester, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 16 to Aug 22, 2026
- Latest sync
- Aug 15, 2026 9:03 PM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Winchester
Monday looks like the warmest upcoming period in Winchester at 103 degrees F.
Friday Night is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph WSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 15, 2026 9:03 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LZK
- Radar station
- KLZK
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 80. Heat index values as high as 108. Southwest wind around 5 mph.
Sunny, with a high near 103. Heat index values as high as 109. West wind 5 to 10 mph.
Mostly clear, with a low around 77. Northeast wind 0 to 5 mph.
Sunny, with a high near 102. West northwest wind 0 to 5 mph.
Mostly clear, with a low around 78. South southwest wind around 5 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 102. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 78. Southwest wind around 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Aug 16
|
Sunny
|
102°F |
5 to 10 mph
WSW
|
|
Sunday Night
Aug 16
|
Clear
|
80°F |
5 mph
SW
|
|
Monday
Aug 17
|
Sunny
|
103°F |
5 to 10 mph
W
|
|
Monday Night
Aug 17
|
Mostly Clear
|
77°F |
0 to 5 mph
NE
|
|
Tuesday
Aug 18
|
Sunny
|
102°F |
0 to 5 mph
WNW
|
|
Tuesday Night
Aug 18
|
Mostly Clear
|
78°F |
5 mph
SSW
|
|
Wednesday
Aug 19
|
Sunny then Slight Chance Showers And Thunderstorms
|
102°F |
5 to 10 mph
SW
|
|
Wednesday Night
Aug 19
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
78°F |
5 mph
SW
|
|
Thursday
Aug 20
|
Sunny then Slight Chance Showers And Thunderstorms
|
99°F |
5 mph
WSW
|
|
Thursday Night
Aug 20
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
75°F |
5 mph
E
|
|
Friday
Aug 21
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
98°F |
5 mph
NNW
|
|
Friday Night
Aug 21
|
Slight Chance Showers And Thunderstorms
|
74°F |
0 to 5 mph
ENE
|
|
Saturday
Aug 22
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
97°F |
0 to 5 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winchester.