National Weather Service Forecast for: Gainesville GA
Issued by: National Weather Service Peachtree City, GA
Updated: 12:01 pm EDT May 26, 2026
 
This
Afternoon
This Afternoon: Showers and possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms likely after 4pm.  High near 78. South wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms

Tonight

Tonight: Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 8pm, then a chance of showers and thunderstorms after 8pm.  Low around 66. South wind around 5 mph becoming calm.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms then
Chance
Showers
Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm.
Chance
T-storms then
Partly Cloudy
Thursday

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. West wind around 5 mph.  Chance of precipitation is 30%.
Slight Chance
Showers then
Chance
T-storms
Thursday
Night
Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
Friday

Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Chance
Showers then
Showers
Likely
Friday
Night
Friday Night: Showers and possibly a thunderstorm.  Low around 64. Chance of precipitation is 80%.
Showers

Saturday

Saturday: Showers and possibly a thunderstorm.  High near 74. Chance of precipitation is 80%.
Showers

Hi 78 °F Lo 66 °F Hi 81 °F Lo 66 °F Hi 84 °F Lo 66 °F Hi 78 °F Lo 64 °F Hi 74 °F

Hazardous Weather Outlook
Flood Watch
 

This Afternoon
 
Showers and possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms likely after 4pm. High near 78. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 8pm, then a chance of showers and thunderstorms after 8pm. Low around 66. South wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
 
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm.
Thursday
 
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. West wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
 
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Friday Night
 
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Saturday
 
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Saturday Night
 
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 61. Chance of precipitation is 80%.
Sunday
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
Sunday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Monday
 
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Gainesville GA.