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Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

66°F

19°C

Humidity 73%
Wind Speed NE 5 mph
Barometer 30.13 in (1019.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 May 5:50 am EDT
Extended Forecast for

Marietta, Cobb County-McCollum Field Airport GA

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light southeast wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 65. Southeast wind around 5 mph.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Southeast wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 88. Southeast wind around 5 mph.

    High: 88 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Partly Sunny
    then Showers
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light southeast wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 65. Southeast wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 65. Southeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 88. Southeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 65.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta, Cobb County-McCollum Field Airport GA
 34.02°N 84.57°W (Elev. 997 ft)
Last Update:
2:26 am EDT May 17, 2026
Forecast Valid:
6am EDT May 17, 2026-6pm EDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation