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.

Mostly Cloudy

64°F

18°C

Humidity 96%
Wind Speed SW 5 mph
Barometer 30.08 in (991.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 8 Mar 9:50 pm EDT
Extended Forecast for

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

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy dense fog before 11am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly cloudy, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Monday
Patchy dense fog before 11am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly cloudy, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 81.
Wednesday Night
Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 90%.
Thursday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
A 20 percent chance of showers. Sunny, with a high near 78.
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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:
9:57 pm EDT Mar 8, 2026
Forecast Valid:
10pm EDT Mar 8, 2026-6pm EDT Mar 15, 2026
 
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Additional Resources

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Chance of Precipitation