National Weather Service Forecast for: Winchester KY
Issued by: National Weather Service Louisville, KY
Updated: 4:11 am EDT Jun 30, 2026
 
Today

Today: Mostly sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west 5 to 7 mph in the afternoon.
Mostly Sunny

Tonight

Tonight: Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 93. Heat index values as high as 102. Calm wind.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73. Calm wind.
Mostly Clear

Thursday

Thursday: Sunny and hot, with a high near 94. Calm wind.
Hot

Thursday
Night
Thursday Night: Mostly clear, with a low around 74.
Mostly Clear

Friday

Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 93.
Sunny then
Chance
T-storms
Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 73.
Chance
T-storms
Independence
Day
Independence Day: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 90.
Chance
T-storms
Hi 93 °F Lo 72 °F Hi 93 °F Lo 73 °F Hi 94 °F Lo 74 °F Hi 93 °F Lo 73 °F Hi 90 °F

Extreme Heat Warning
 

Today
 
Mostly sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
 
Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 93. Heat index values as high as 102. Calm wind.
Wednesday Night
 
Mostly clear, with a low around 73. Calm wind.
Thursday
 
Sunny and hot, with a high near 94. Calm wind.
Thursday Night
 
Mostly clear, with a low around 74.
Friday
 
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.
Friday Night
 
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Independence Day
 
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90.
Saturday Night
 
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Sunday
 
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
 
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Winchester KY.