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

Hazardous Weather Conditions

Current conditions at

Atlanta, De Kalb-Peachtree Airport (KPDK)

Lat: 33.88°NLon: 84.3°WElev: 1001ft.

Light Rain

74°F

23°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.03 in (1014.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 12:53 am EDT
Extended Forecast for

Decatur GA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77. West wind around 5 mph.

    Low: 77 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Heat index values as high as 98. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Northwest wind around 5 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

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

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77. West wind around 5 mph.
Tuesday
Mostly sunny, with a high near 94. Heat index values as high as 98. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 72. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 96. Northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 74. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Saturday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur GA
 33.77°N 84.29°W (Elev. 1060 ft)
Last Update:
12:22 am EDT Aug 18, 2026
Forecast Valid:
1am EDT Aug 18, 2026-6pm EDT Aug 24, 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