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

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

65°F

18°C

Humidity 81%
Wind Speed E 3 mph
Barometer 30.12 in (993.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 2 Sep 3:50 am EDT
Extended Forecast for

3 Miles SSE Marietta, Cobb County-McCollum Field Airport GA

  • Today

    Today: Mostly sunny, with a high near 82. East wind around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. East wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 83 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. East wind around 5 mph.
Tonight
Mostly clear, with a low around 62. East wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
A slight chance of thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 20%.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.97°N 84.57°W (Elev. 1096 ft)
Last Update:
2:17 am EDT Sep 2, 2025
Forecast Valid:
4am EDT Sep 2, 2025-6pm EDT Sep 8, 2025
 
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