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.

Overcast

40°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in (990.7 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 8 Dec 12:50 am EST
Extended Forecast for

5 Miles SSW Marietta, Cobb County-McCollum Field Airport GA

  • Overnight

    Overnight: Showers, mainly after 2am. Patchy fog. Low around 40. Calm wind. Chance of precipitation is 80%.

    Low: 40 °F

    Showers and
    Patchy Fog

  • Monday

    Monday: A 10 percent chance of showers before 7am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 49. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 49 °F

    Slight Chance
    Showers and
    Areas Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Calm wind becoming south around 5 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Showers, mainly after 2am. Patchy fog. Low around 40. Calm wind. Chance of precipitation is 80%.
Monday
A 10 percent chance of showers before 7am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 49. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly sunny, with a high near 50. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Marietta, Cobb County-McCollum Field Airport GA
 33.95°N 84.63°W (Elev. 1001 ft)
Last Update:
1:17 am EST Dec 8, 2025
Forecast Valid:
1am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation