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

72°F

22°C

Humidity 46%
Wind Speed Vrbl 6 mph
Barometer 30.19 in (1021.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 May 9:50 am EDT
Extended Forecast for

5 Miles E Marietta, Cobb County-McCollum Field Airport GA

  • Today

    Today: Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly clear, with a low around 65. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly clear, with a low around 65. Southeast wind around 5 mph. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Wednesday 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 65. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Marietta, Cobb County-McCollum Field Airport GA
 34.01°N 84.52°W (Elev. 1001 ft)
Last Update:
2:26 am EDT May 16, 2026
Forecast Valid:
9am EDT May 16, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation