National Weather Service Forecast for: McDonough GA
Issued by: National Weather Service Peachtree City, GA
Updated: 2:26 pm EDT May 4, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 78. South wind around 5 mph.
Mostly Sunny

 Tonight

Tonight: Mostly clear, with a low around 50. South wind around 5 mph becoming calm.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 59. South wind around 5 mph.
Partly Cloudy

 Wednesday

Wednesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Partly Sunny
then Chance
Showers
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 65. Chance of precipitation is 80%.
Showers

 Thursday

Thursday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 90%.
Showers

 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Showers
Likely
 Friday

Friday: A 30 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 72.
Chance
Showers
Hi 78 °F Lo 50 °F Hi 81 °F Lo 59 °F Hi 85 °F Lo 65 °F Hi 76 °F Lo 50 °F Hi 72 °F

 

This Afternoon
 
 Mostly sunny, with a high near 78. South wind around 5 mph.
Tonight
 
 Mostly clear, with a low around 50. South wind around 5 mph becoming calm.
Tuesday
 
 Sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
 
 Partly cloudy, with a low around 59. South wind around 5 mph.
Wednesday
 
 A 30 percent chance of showers after 2pm. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 65. Chance of precipitation is 80%.
Thursday
 
 Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 90%.
Thursday Night
 
 Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
 
 A 30 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 72.
Friday Night
 
 A 20 percent chance of showers. Partly cloudy, with a low around 52.
Saturday
 
 Mostly sunny, with a high near 78.
Saturday Night
 
 Partly cloudy, with a low around 56.
Sunday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for McDonough GA.