National Weather Service Forecast for: Alpharetta GA
Issued by: National Weather Service Peachtree City, GA
Updated: 4:31 am EDT Jun 9, 2025
 
Today

Today: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Partly Sunny
then Heavy
Rain
 Tonight

Tonight: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming west in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
T-storms
Likely then
Chance
T-storms
 Tuesday

Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. West wind 5 to 10 mph. Chance of precipitation is 30%.
Slight Chance
Showers then
Chance
T-storms
 Tuesday
Night
Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Chance
T-storms then
Mostly Clear
 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. Calm wind becoming northeast around 5 mph.
Sunny then
Slight Chance
T-storms
 Wednesday
Night
Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66.
Slight Chance
T-storms then
Partly Cloudy
 Thursday

Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87.
Chance
T-storms

 Thursday
Night
Thursday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69.
Chance
T-storms

 Friday

Friday: Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Chance
T-storms then
T-storms
Likely
Hi 84 °F Lo 67 °F Hi 83 °F Lo 63 °F Hi 87 °F Lo 66 °F Hi 87 °F Lo 69 °F Hi 86 °F

Hazardous Weather Outlook
 

Today
 
 Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming west in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. West wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
 
 A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. Calm wind becoming northeast around 5 mph.
Wednesday Night
 
 A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66.
Thursday
 
 A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87.
Thursday Night
 
 A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69.
Friday
 
 Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Friday Night
 
 Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
 
 Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Saturday Night
 
 Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Sunday
 
 Showers and thunderstorms. High near 88. Chance of precipitation is 80%.

 

Forecast from NOAA-NWS for Alpharetta GA.