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

83°F

28°C

Humidity 67%
Wind Speed Calm
Barometer 30.10 in (1019.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 16 Jul 11:50 pm EDT
Extended Forecast for

3 Miles WNW Roswell GA

  • Overnight

    Overnight: Mostly clear, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 101. South wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 99. Southwest wind around 5 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 74. South wind around 5 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 101. South wind 5 to 10 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 99. Southwest wind around 5 mph.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
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:
10:06 pm EDT Jul 16, 2025
Forecast Valid:
12am EDT Jul 17, 2025-6pm EDT Jul 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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