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.

Fair

77°F

25°C

Humidity 71%
Wind Speed Calm
Barometer 30.08 in (1016.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Sep 9:53 am EDT
Extended Forecast for

Alpharetta GA

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Heat index values as high as 99. Calm wind becoming east around 5 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 70. East wind around 5 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. East wind around 5 mph becoming calm.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Heat index values as high as 99. Calm wind becoming east around 5 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 70. East wind around 5 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 90. East wind around 5 mph becoming calm.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Calm wind.
Monday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Wednesday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Alpharetta GA
 34.07°N 84.29°W (Elev. 1099 ft)
Last Update:
2:26 am EDT Sep 19, 2026
Forecast Valid:
9am EDT Sep 19, 2026-6pm EDT Sep 25, 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