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

53°F

12°C

Humidity 26%
Wind Speed SE 8 mph
Barometer 30.30 in (1099.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 21 Jan 2:50 pm EST
Extended Forecast for

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

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 53. South wind around 10 mph, with gusts as high as 15 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 5am. Cloudy, with a low around 40. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before noon. Cloudy, with a high near 50. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 7pm. Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Cloudy, with a high near 49. Calm wind becoming north around 5 mph in the morning.

    High: 49 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of rain showers before 1pm, then rain showers, possibly mixed with freezing rain and sleet. High near 39. Chance of precipitation is 80%.

    High: 39 °F

    Chance
    Showers then
    Wintry Mix

  • Saturday Night

    Saturday Night: Rain showers and freezing rain, possibly mixed with sleet before 1am, then freezing rain, possibly mixed with sleet. Low around 28. Chance of precipitation is 100%.

    Low: 28 °F

    Wintry Mix

  • Sunday

    Sunday: Freezing rain, possibly mixed with sleet before 1pm, then rain likely, possibly mixed with freezing rain. High near 34. Chance of precipitation is 80%.

    High: 34 °F

    Wintry Mix

Detailed Forecast

This Afternoon
Partly sunny, with a high near 53. South wind around 10 mph, with gusts as high as 15 mph.
Tonight
Showers likely, mainly after 5am. Cloudy, with a low around 40. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before noon. Cloudy, with a high near 50. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of showers after 7pm. Mostly cloudy, with a low around 42. Calm wind.
Friday
A 50 percent chance of showers. Cloudy, with a high near 49. Calm wind becoming north around 5 mph in the morning.
Friday Night
A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 34.
Saturday
A chance of rain showers before 1pm, then rain showers, possibly mixed with freezing rain and sleet. High near 39. Chance of precipitation is 80%.
Saturday Night
Rain showers and freezing rain, possibly mixed with sleet before 1am, then freezing rain, possibly mixed with sleet. Low around 28. Chance of precipitation is 100%.
Sunday
Freezing rain, possibly mixed with sleet before 1pm, then rain likely, possibly mixed with freezing rain. High near 34. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.57°W (Elev. 1129 ft)
Last Update:
1:22 pm EST Jan 21, 2026
Forecast Valid:
3pm EST Jan 21, 2026-6pm EST Jan 27, 2026
 
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Additional Resources

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Chance of Precipitation