National Weather Service Forecast for: Franklin KY
Issued by: National Weather Service Louisville, KY
Updated: 1:26 am CDT Jun 30, 2026
 
Overnight

Overnight: Mostly clear, with a low around 75. Light south wind.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 6 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 75. Calm wind.
Mostly Clear

Wednesday

Wednesday: Sunny and hot, with a high near 94. Heat index values as high as 107. Calm wind.
Hot

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 76. Calm wind.
Mostly Clear

Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 95.
Sunny then
Slight Chance
T-storms
Thursday
Night
Thursday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 75.
Slight Chance
T-storms
Friday

Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 92.
Sunny then
Chance
T-storms
Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 74.
Chance
T-storms
Lo 75 °F Hi 93 °F Lo 75 °F Hi 94 °F Lo 76 °F Hi 95 °F Lo 75 °F Hi 92 °F Lo 74 °F

Extreme Heat Warning
 

Overnight
 
Mostly clear, with a low around 75. Light south wind.
Tuesday
 
Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 6 mph.
Tuesday Night
 
Mostly clear, with a low around 75. Calm wind.
Wednesday
 
Sunny and hot, with a high near 94. Heat index values as high as 107. Calm wind.
Wednesday Night
 
Mostly clear, with a low around 76. Calm wind.
Thursday
 
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95.
Thursday Night
 
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75.
Friday
 
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Friday Night
 
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.
Independence Day
 
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91.
Saturday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Sunday
 
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Sunday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
 
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

 

Forecast from NOAA-NWS for Franklin KY.