National Weather Service Forecast for: Mount Washington KY
Issued by: National Weather Service Louisville, KY
Updated: 2:26 am EDT Jun 30, 2026
 
Overnight

Overnight: Mostly clear, with a low around 73. Light south wind.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming west around 6 mph in the afternoon.
Sunny

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

Wednesday

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

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 74. Calm wind.
Mostly Clear

Thursday

Thursday: Sunny and hot, with a high near 95.
Hot

Thursday
Night
Thursday Night: Mostly clear, with a low around 75.
Mostly Clear

Friday

Friday: A 40 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 94.
Sunny then
Chance
T-storms
Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 73.
Chance
T-storms
Lo 73 °F Hi 93 °F Lo 72 °F Hi 94 °F Lo 74 °F Hi 95 °F Lo 75 °F Hi 94 °F Lo 73 °F

Extreme Heat Warning
 

Overnight
 
Mostly clear, with a low around 73. Light south wind.
Tuesday
 
Sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
Sunny and hot, with a high near 94. Heat index values as high as 107. Light south wind.
Wednesday Night
 
Mostly clear, with a low around 74. Calm wind.
Thursday
 
Sunny and hot, with a high near 95.
Thursday Night
 
Mostly clear, with a low around 75.
Friday
 
A 40 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94.
Friday Night
 
A 30 percent chance of showers and thunderstorms before 2am. 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 91.
Saturday Night
 
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Sunday
 
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
 
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Mount Washington KY.