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.

Overcast

60°F

16°C

Humidity 60%
Wind Speed E 6 mph
Barometer 30.38 in (1001.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 30 Mar 2:50 am EDT
Extended Forecast for

2 Miles NNE Marietta, Cobb County-McCollum Field Airport GA

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. Southeast wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 74. Southeast wind around 5 mph.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. Southeast wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. Southeast wind around 5 mph.
Monday
Mostly cloudy, with a high near 74. Southeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 58. Southeast wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 61. South wind around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 84. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Marietta, Cobb County-McCollum Field Airport GA
 34.04°N 84.57°W (Elev. 1001 ft)
Last Update:
2:26 am EDT Mar 30, 2026
Forecast Valid:
3am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation