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.

Overcast

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (991.2 mb)
Dewpoint 59°F (15°C)
Visibility 8.00 mi
Last update 28 Dec 3:50 am EST
Extended Forecast for

3 Miles WNW Roswell GA

  • Today

    Today: A slight chance of showers between 7am and noon. Mostly cloudy, with a high near 70. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 44. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Mostly sunny, with a temperature falling to around 41 by 5pm. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 57 °F⇓

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between 7am and noon. Mostly cloudy, with a high near 70. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 44. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers before 1pm. Mostly sunny, with a temperature falling to around 41 by 5pm. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 23. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 29.
New Year's Day
Sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 54.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 37.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Roswell GA
 34.07°N 84.4°W (Elev. 997 ft)
Last Update:
1:16 am EST Dec 28, 2025
Forecast Valid:
4am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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