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

Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

70°F

21°C

Humidity 30%
Wind Speed Vrbl 5 mph
Barometer 30.23 in (996.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Apr 7:50 pm EDT
Extended Forecast for

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

  • Tonight

    Tonight: Clear, with a low around 49. Northwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming east around 5 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. West wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 49. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80. Calm wind becoming east around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 55. Calm wind.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. West wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 85.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 61.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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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 pm EDT Apr 20, 2026
Forecast Valid:
7pm EDT Apr 20, 2026-6pm EDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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