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Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

51°F

11°C

Humidity 96%
Wind Speed Calm
Barometer 30.05 in (990.8 mb)
Dewpoint 50°F (10°C)
Visibility 8.00 mi
Last update 8 Jan 12:50 am EST
Extended Forecast for

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

Dense Fog Advisory until January 8, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 8, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 50 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Areas of dense fog before 9am. Otherwise, mostly cloudy, with a high near 69. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 69 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 58. Southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Cloudy

  • Friday

    Friday: Showers likely, mainly after 1pm. Cloudy, with a high near 71. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 1am. Low around 61. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy dense fog after 3am. Otherwise, mostly cloudy, with a low around 50. Calm wind.
Thursday
Areas of dense fog before 9am. Otherwise, mostly cloudy, with a high near 69. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Cloudy, with a low around 58. Southeast wind around 5 mph, with gusts as high as 15 mph.
Friday
Showers likely, mainly after 1pm. Cloudy, with a high near 71. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Friday Night
Showers, with thunderstorms also possible after 1am. Low around 61. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 90%.
Saturday Night
A 30 percent chance of showers before 1am. Cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Marietta, Cobb County-McCollum Field Airport GA
 34.02°N 84.57°W (Elev. 997 ft)
Last Update:
1:16 am EST Jan 8, 2026
Forecast Valid:
1am EST Jan 8, 2026-6pm EST Jan 14, 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