NWS Forecast for Alpharetta GA

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

Updated: 3:52 am EST Dec 5, 2025

Overnight Showers Likely	Friday Chance Showers then Slight Chance Showers	Friday Night Cloudy	Saturday Chance Showers	Saturday Night Partly Cloudy	Sunday Slight Chance Showers	Sunday Night Chance Showers	Monday Slight Chance Showers	Monday Night Partly Cloudy
Lo 39 °F	Hi 47 °F	Lo 40 °F	Hi 50 °F	Lo 35 °F	Hi 51 °F	Lo 39 °F	Hi 50 °F	Lo 31 °F

Hazardous Weather Outlook

Overnight	Showers likely. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 70%.
Friday	A 50 percent chance of showers, mainly before 10am. Cloudy, with a high near 47. Calm wind becoming east around 5 mph.
Friday Night	Cloudy, with a low around 40. Calm wind.
Saturday	A 30 percent chance of showers, mainly after 1pm. Cloudy, with a high near 50. Calm wind becoming west around 5 mph in the morning.
Saturday Night	Partly cloudy, with a low around 35. Calm wind.
Sunday	A 20 percent chance of showers. Mostly cloudy, with a high near 51.
Sunday Night	A 30 percent chance of showers. Mostly cloudy, with a low around 39.
Monday	A 20 percent chance of showers. Mostly sunny, with a high near 50.
Monday Night	Partly cloudy, with a low around 31.
Tuesday	Mostly sunny, with a high near 49.
Tuesday Night	Mostly clear, with a low around 32.
Wednesday	Mostly sunny, with a high near 56.
Wednesday Night	A 30 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday	A 20 percent chance of showers. Mostly sunny, with a high near 50.

Forecast from NOAA-NWS for Alpharetta GA.