National Weather Service Forecast for: Mooresville NC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 2:23 am EDT Aug 20, 2026
 
Today

Today: Mostly sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming west southwest around 6 mph in the afternoon.
Mostly Sunny

 Tonight

Tonight: A 40 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Friday

Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Patchy fog before 9am. High near 90. Heat index values as high as 101. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Slight Chance
T-storms and
Patchy Fog
then T-storms
 Friday
Night
Friday Night: Showers and thunderstorms before midnight, then showers likely between midnight and 2am. Low around 68. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
T-storms then
Showers
Likely
 Saturday

Saturday: A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light west wind. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
 Saturday
Night
Saturday Night: Mostly clear, with a low around 68.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 88.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 65.
Mostly Clear

 Monday

Monday: Sunny, with a high near 87.
Sunny
Hi 94 °F Lo 70 °F Hi 90 °F Lo 68 °F Hi 88 °F Lo 68 °F Hi 88 °F Lo 65 °F Hi 87 °F

 

Today
 
 Mostly sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming west southwest around 6 mph in the afternoon.
Tonight
 
 A 40 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Patchy fog before 9am. High near 90. Heat index values as high as 101. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
 
 Showers and thunderstorms before midnight, then showers likely between midnight and 2am. Low around 68. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
 
 A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light west wind. Chance of precipitation is 20%.
Saturday Night
 
 Mostly clear, with a low around 68.
Sunday
 
 Sunny, with a high near 88.
Sunday Night
 
 Mostly clear, with a low around 65.
Monday
 
 Sunny, with a high near 87.
Monday Night
 
 Mostly clear, with a low around 65.
Tuesday
 
 Sunny, with a high near 87.
Tuesday Night
 
 Partly cloudy, with a low around 67.
Wednesday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Mooresville NC.