National Weather Service Forecast for: Johns Creek GA
Issued by: National Weather Service Peachtree City, GA
Updated: 12:07 am EST Dec 18, 2025
 
Overnight

Overnight: Cloudy, with a low around 42. Calm wind becoming east around 5 mph.
Cloudy

 Thursday

Thursday: Showers, mainly after 10am. High near 60. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely then
Showers
 Thursday
Night
Thursday Night: Showers and thunderstorms before 1am, then a chance of showers between 1am and 3am. Low around 39. Southeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Friday

Friday: Sunny, with a high near 50. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 58.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 39.
Mostly Clear

 Sunday

Sunday: A 20 percent chance of showers. Mostly sunny, with a high near 62.
Slight Chance
Showers
 Sunday
Night
Sunday Night: Mostly clear, with a low around 35.
Mostly Clear
Lo 42 °F Hi 60 °F Lo 39 °F Hi 50 °F Lo 31 °F Hi 58 °F Lo 39 °F Hi 62 °F Lo 35 °F

Hazardous Weather Outlook
 

Overnight
 
 Cloudy, with a low around 42. Calm wind becoming east around 5 mph.
Thursday
 
 Showers, mainly after 10am. High near 60. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
 
 Showers and thunderstorms before 1am, then a chance of showers between 1am and 3am. Low around 39. Southeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
 
 Sunny, with a high near 50. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
 
 Mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 58.
Saturday Night
 
 Mostly clear, with a low around 39.
Sunday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 62.
Sunday Night
 
 Mostly clear, with a low around 35.
Monday
 
 Sunny, with a high near 53.
Monday Night
 
 Partly cloudy, with a low around 35.
Tuesday
 
 Partly sunny, with a high near 56.
Tuesday Night
 
 Partly cloudy, with a low around 44.
Wednesday
 
 Partly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Johns Creek GA.