National Weather Service Forecast for: Alpharetta GA
Issued by: National Weather Service Peachtree City, GA
Updated: 1:16 am EST Feb 2, 2026
 
Overnight

Overnight: Mostly clear, with a low around 20. West wind around 5 mph.
Mostly Clear

 Monday

Monday: Sunny, with a high near 45. West wind 5 to 10 mph, with gusts as high as 15 mph.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 28. West wind around 5 mph becoming calm.
Mostly Clear

 Tuesday

Tuesday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Partly Sunny
then Slight
Chance
Showers
 Tuesday
Night
Tuesday Night: Showers. Low around 43. Southwest wind around 5 mph. Chance of precipitation is 90%.
Showers

 Wednesday

Wednesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 50.
Slight Chance
Showers

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 27.
Mostly Cloudy

 Thursday

Thursday: Sunny, with a high near 44.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 28.
Mostly Clear
Lo 20 °F Hi 45 °F Lo 28 °F Hi 54 °F Lo 43 °F Hi 50 °F Lo 27 °F Hi 44 °F Lo 28 °F

Hazardous Weather Outlook
 

Overnight
 
 Mostly clear, with a low around 20. West wind around 5 mph.
Monday
 
 Sunny, with a high near 45. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
 
 Mostly clear, with a low around 28. West wind around 5 mph becoming calm.
Tuesday
 
 A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
 
 Showers. Low around 43. Southwest wind around 5 mph. Chance of precipitation is 90%.
Wednesday
 
 A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 50.
Wednesday Night
 
 Mostly cloudy, with a low around 27.
Thursday
 
 Sunny, with a high near 44.
Thursday Night
 
 Mostly clear, with a low around 28.
Friday
 
 Sunny, with a high near 54.
Friday Night
 
 Mostly clear, with a low around 32.
Saturday
 
 Sunny, with a high near 51.
Saturday Night
 
 Mostly clear, with a low around 28.
Sunday
 
 Mostly sunny, with a high near 53.

 

Forecast from NOAA-NWS for Alpharetta GA.