National Weather Service Forecast for: Cornelius NC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 9:30 pm EDT Jun 18, 2026
 
Tonight

Tonight: Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Some of the storms could produce heavy rainfall. Patchy fog after 5am. Low around 69. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Heavy Rain
and Patchy
Fog
 Juneteenth

Juneteenth: Showers and thunderstorms likely before 8am, then a slight chance of showers between 8am and 10am. Some of the storms could produce heavy rainfall. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 87. North northeast wind 6 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Heavy Rain
and Patchy
Fog then
Mostly Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 63. Northwest wind around 6 mph becoming calm after midnight.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 65. Light west wind.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 90.
Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 70.
Partly Cloudy

 Monday

Monday: A chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Chance
Showers then
T-storms
Likely
 Monday
Night
Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
T-storms
Likely
Lo 69 °F Hi 87 °F Lo 63 °F Hi 86 °F Lo 65 °F Hi 90 °F Lo 70 °F Hi 89 °F Lo 70 °F

 

Tonight
 
 Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Some of the storms could produce heavy rainfall. Patchy fog after 5am. Low around 69. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Juneteenth
 
 Showers and thunderstorms likely before 8am, then a slight chance of showers between 8am and 10am. Some of the storms could produce heavy rainfall. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 87. North northeast wind 6 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
 
 Mostly clear, with a low around 63. Northwest wind around 6 mph becoming calm after midnight.
Saturday
 
 Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 65. Light west wind.
Sunday
 
 Sunny, with a high near 90.
Sunday Night
 
 Partly cloudy, with a low around 70.
Monday
 
 A chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Monday Night
 
 Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
 
 A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Tuesday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Wednesday
 
 Mostly sunny, with a high near 86.
Wednesday Night
 
 A 30 percent chance of showers. Partly cloudy, with a low around 66.
Thursday
 
 Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Cornelius NC.