National Weather Service Forecast for: Duluth GA
Issued by: National Weather Service Peachtree City, GA
Updated: 1:16 am EST Dec 20, 2025
 
Today

Today: Sunny, with a high near 59. Southeast wind around 5 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 38. Southeast wind around 5 mph becoming calm.
Mostly Clear

Sunday

Sunday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 61. Calm wind becoming northwest around 5 mph in the afternoon.
Mostly Sunny
then Slight
Chance
Showers
Sunday
Night
Sunday Night: Mostly clear, with a low around 39. North wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.
Mostly Clear

Monday

Monday: Sunny, with a high near 54. East wind 5 to 10 mph, with gusts as high as 15 mph.
Sunny

Monday
Night
Monday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 40.
Partly Cloudy
then Slight
Chance
Showers
Tuesday

Tuesday: Partly sunny, with a high near 62.
Partly Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 48.
Partly Cloudy

Wednesday

Wednesday: Partly sunny, with a high near 69.
Partly Sunny

Hi 59 °F Lo 38 °F Hi 61 °F Lo 39 °F Hi 54 °F Lo 40 °F Hi 62 °F Lo 48 °F Hi 69 °F

 

Today
 
Sunny, with a high near 59. Southeast wind around 5 mph.
Tonight
 
Mostly clear, with a low around 38. Southeast wind around 5 mph becoming calm.
Sunday
 
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 61. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
 
Mostly clear, with a low around 39. North wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.
Monday
 
Sunny, with a high near 54. East wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
 
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 40.
Tuesday
 
Partly sunny, with a high near 62.
Tuesday Night
 
Partly cloudy, with a low around 48.
Wednesday
 
Partly sunny, with a high near 69.
Wednesday Night
 
Partly cloudy, with a low around 50.
Christmas Day
 
Mostly sunny, with a high near 72.
Thursday Night
 
Partly cloudy, with a low around 52.
Friday
 
Partly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Duluth GA.