NWS Forecast for Smyrna GA

National Weather Service Forecast for: Smyrna GA
Issued by: National Weather Service Peachtree City, GA

Updated: 7:06 pm EDT Sep 12, 2026

Tonight Slight Chance T-storms then Partly Cloudy	Sunday Mostly Sunny	Sunday Night Mostly Clear	Monday Sunny	Monday Night Mostly Clear	Tuesday Sunny	Tuesday Night Mostly Clear	Wednesday Sunny	Wednesday Night Clear
Lo 70 °F	Hi 90 °F	Lo 70 °F	Hi 94 °F	Lo 72 °F	Hi 90 °F	Lo 68 °F	Hi 88 °F	Lo 66 °F

Hazardous Weather Outlook

Tonight	A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.
Sunday	Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the morning.
Sunday Night	Mostly clear, with a low around 70. Northwest wind around 5 mph becoming calm.
Monday	Sunny, with a high near 94. Heat index values as high as 99. North wind around 5 mph.
Monday Night	Mostly clear, with a low around 72. Calm wind becoming east around 5 mph after midnight.
Tuesday	Sunny, with a high near 90.
Tuesday Night	Mostly clear, with a low around 68.
Wednesday	Sunny, with a high near 88.
Wednesday Night	Clear, with a low around 66.
Thursday	Sunny, with a high near 88.
Thursday Night	Clear, with a low around 68.
Friday	Sunny, with a high near 90.
Friday Night	Mostly clear, with a low around 69.
Saturday	A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Forecast from NOAA-NWS for Smyrna GA.