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

68°F

20°C

Humidity 32%
Wind Speed Calm
Barometer 30.16 in (994.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 Mar 11:50 am EDT
Extended Forecast for

3 Miles WNW Roswell GA

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Calm wind becoming south around 5 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 5am. Low around 42. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 42 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Rain showers before 5pm, then a slight chance of rain and snow showers. Some thunder is also possible. High near 56. West wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 56 °F

    Showers then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Calm wind becoming south around 5 mph.
Tonight
Mostly clear, with a low around 53. Southeast wind around 5 mph, with gusts as high as 15 mph.
Sunday
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Showers, with thunderstorms also possible after 5am. Low around 42. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday
Rain showers before 5pm, then a slight chance of rain and snow showers. Some thunder is also possible. High near 56. West wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Roswell GA
 34.07°N 84.4°W (Elev. 997 ft)
Last Update:
6:26 am EDT Mar 14, 2026
Forecast Valid:
12pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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