National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Atlanta, De Kalb-Peachtree Airport (KPDK)

Lat: 33.88°NLon: 84.3°WElev: 1001ft.

Fair

65°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in (1014.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 31 Jul 5:53 am EDT
Extended Forecast for

Decatur GA

  • Today

    Today: Mostly sunny, with a high near 92. East wind around 5 mph becoming west in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 86. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 72. South wind around 5 mph. Chance of precipitation is 90%.

    Low: 72 °F

    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 71. Chance of precipitation is 80%.

    Low: 71 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 92. East wind around 5 mph becoming west in the afternoon.
Tonight
Partly cloudy, with a low around 73. Calm wind.
Saturday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 86. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 72. South wind around 5 mph. Chance of precipitation is 90%.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 71. Chance of precipitation is 80%.
Monday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71.
Tuesday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur GA
 33.77°N 84.29°W (Elev. 1060 ft)
Last Update:
2:26 am EDT Jul 31, 2026
Forecast Valid:
6am EDT Jul 31, 2026-6pm EDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation