National Weather Service Forecast for: Saint Matthews KY
Issued by: National Weather Service Louisville, KY
Updated: 7:16 pm EDT Jul 16, 2026
 
Tonight

Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 75. Light southwest wind.
Slight Chance
T-storms then
Partly Cloudy
 Friday

Friday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Showers
Likely
 Friday
Night
Friday Night: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 74. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Partly Cloudy
 Saturday

Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Heat index values as high as 102. West wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Showers
 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 73. West wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
 Sunday

Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Mostly Sunny
then Slight
Chance
T-storms
 Sunday
Night
Sunday Night: Mostly clear, with a low around 69.
Mostly Clear

 Monday

Monday: Mostly sunny, with a high near 90.
Mostly Sunny

 Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 73.
Partly Cloudy
then Slight
Chance
T-storms
Lo 75 °F Hi 90 °F Lo 74 °F Hi 90 °F Lo 73 °F Hi 89 °F Lo 69 °F Hi 90 °F Lo 73 °F

 

Tonight
 
 A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 75. Light southwest wind.
Friday
 
 A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 74. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Heat index values as high as 102. West wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
 Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 73. West wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Sunday Night
 
 Mostly clear, with a low around 69.
Monday
 
 Mostly sunny, with a high near 90.
Monday Night
 
 A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 73.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Tuesday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
 
 Mostly sunny, with a high near 84.
Wednesday Night
 
 Mostly clear, with a low around 65.
Thursday
 
 Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Saint Matthews KY.