National Weather Service Forecast for: Newnan GA
Issued by: National Weather Service Peachtree City, GA
Updated: 12:41 am EST Dec 18, 2025
 
Today

Today: Showers, mainly after 10am. High near 61. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
 Tonight

Tonight: Showers and thunderstorms before 1am, then a chance of showers between 1am and 3am. Low around 40. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
 Friday

Friday: Sunny, with a high near 53. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 40.
Mostly Clear
 Sunday

Sunday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 62.
Slight Chance
Showers
 Sunday
Night
Sunday Night: Mostly clear, with a low around 36.
Mostly Clear
 Monday

Monday: Sunny, with a high near 55.
Sunny
Hi 61 °F Lo 40 °F Hi 53 °F Lo 30 °F Hi 59 °F Lo 40 °F Hi 62 °F Lo 36 °F Hi 55 °F

Hazardous Weather Outlook
 

Today
 
 Showers, mainly after 10am. High near 61. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
 
 Showers and thunderstorms before 1am, then a chance of showers between 1am and 3am. Low around 40. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
 
 Sunny, with a high near 53. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
 
 Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm.
Saturday
 
 Sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 40.
Sunday
 
 A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 62.
Sunday Night
 
 Mostly clear, with a low around 36.
Monday
 
 Sunny, with a high near 55.
Monday Night
 
 Partly cloudy, with a low around 36.
Tuesday
 
 Mostly sunny, with a high near 61.
Tuesday Night
 
 Partly cloudy, with a low around 45.
Wednesday
 
 Mostly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Newnan GA.