National Weather Service Forecast for: McDonough GA
Issued by: National Weather Service Peachtree City, GA
Updated: 2:26 am EDT Jun 22, 2026
 
Today

Today: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
 Tonight

Tonight: A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Chance
T-storms

 Tuesday

Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Partly Sunny
then Chance
Showers
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Partly Cloudy

 Wednesday

Wednesday: Sunny, with a high near 87. Northeast wind around 5 mph becoming calm.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 69.
Mostly Clear

 Thursday

Thursday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87.
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 70.
Chance
T-storms

 Friday

Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.
Chance
T-storms
Hi 89 °F Lo 71 °F Hi 86 °F Lo 66 °F Hi 87 °F Lo 69 °F Hi 87 °F Lo 70 °F Hi 89 °F

Hazardous Weather Outlook
 

Today
 
 A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday
 
 A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
 
 Partly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Wednesday
 
 Sunny, with a high near 87. Northeast wind around 5 mph becoming calm.
Wednesday Night
 
 Mostly clear, with a low around 69.
Thursday
 
 A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 70.
Friday
 
 A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.
Friday Night
 
 A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Saturday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Saturday Night
 
 A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Sunday
 
 Sunny, with a high near 92.

 

Forecast from NOAA-NWS for McDonough GA.