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.

Mostly Cloudy

70°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 29.99 in (1013.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 21 Sep 4:53 am EDT
Extended Forecast for

Decatur GA

  • Today

    Today: Sunny, with a high near 92. Heat index values as high as 97. Calm wind.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 90. Calm wind becoming east around 5 mph.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. East wind around 5 mph. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 82. East wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 2pm. Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 92. Heat index values as high as 97. Calm wind.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 90. Calm wind becoming east around 5 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. East wind around 5 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 82. East wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Thursday
A 20 percent chance of showers before 2pm. Partly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 82.
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Forecast Area
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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 Sep 21, 2026
Forecast Valid:
5am EDT Sep 21, 2026-6pm EDT Sep 27, 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