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

Today: Mostly sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind becoming west southwest around 5 mph in the afternoon.
Hot

 Tonight

Tonight: A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 71. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Friday

Friday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming north northeast around 5 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
T-storms
Likely
 Friday
Night
Friday Night: Showers and possibly a thunderstorm, mainly before 2am. Low around 68. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
T-storms then
Showers
Likely
 Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Calm wind.
Partly Sunny
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 89.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 66.
Mostly Clear

 Monday

Monday: Sunny, with a high near 88.
Sunny
Hi 96 °F Lo 71 °F Hi 91 °F Lo 68 °F Hi 88 °F Lo 68 °F Hi 89 °F Lo 66 °F Hi 88 °F

 

Today
 
 Mostly sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
 
 A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 71. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
 
 A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming north northeast around 5 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 possibly a thunderstorm, mainly before 2am. Low around 68. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
 
 A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Calm wind.
Saturday Night
 
 Mostly clear, with a low around 68.
Sunday
 
 Sunny, with a high near 89.
Sunday Night
 
 Mostly clear, with a low around 66.
Monday
 
 Sunny, with a high near 88.
Monday Night
 
 Mostly clear, with a low around 66.
Tuesday
 
 Sunny, with a high near 88.
Tuesday Night
 
 Partly cloudy, with a low around 67.
Wednesday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

 

Forecast from NOAA-NWS for Gastonia NC.