National Weather Service Forecast for: Johns Creek GA
Issued by: National Weather Service Peachtree City, GA
Updated: 1:21 am EDT Jul 14, 2025
 
Overnight

Overnight: Mostly clear, with a low around 73. Northwest wind around 5 mph becoming calm.
Mostly Clear

 Monday

Monday: Sunny, with a high near 96. Heat index values as high as 101. Northwest wind around 5 mph.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 74. Northwest wind around 5 mph becoming calm in the evening.
Mostly Clear

 Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming northeast around 5 mph.
Sunny then
Chance
T-storms
 Tuesday
Night
Tuesday Night: A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm.
Chance
T-storms

 Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Slight Chance
T-storms then
Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Chance
T-storms then
Chance
Showers
 Thursday

Thursday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Slight Chance
T-storms then
Chance
T-storms
 Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Chance
T-storms
Lo 73 °F Hi 96 °F Lo 74 °F Hi 95 °F Lo 72 °F Hi 91 °F Lo 73 °F Hi 91 °F Lo 73 °F

Hazardous Weather Outlook
 

Overnight
 
 Mostly clear, with a low around 73. Northwest wind around 5 mph becoming calm.
Monday
 
 Sunny, with a high near 96. Heat index values as high as 101. Northwest wind around 5 mph.
Monday Night
 
 Mostly clear, with a low around 74. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming northeast around 5 mph.
Tuesday Night
 
 A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm.
Wednesday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Wednesday Night
 
 A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Thursday
 
 A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Friday
 
 A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Friday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Saturday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

 

Forecast from NOAA-NWS for Johns Creek GA.