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.

Mostly Cloudy

67°F

19°C

Humidity 81%
Wind Speed Calm
Barometer 30.03 in (990.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 3 Sep 1:50 am EDT
Extended Forecast for

3 Miles WNW Roswell GA

  • Overnight

    Overnight: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 64. South wind around 5 mph becoming calm.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 64. South wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Monday Night
A 10 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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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:
2:17 am EDT Sep 3, 2025
Forecast Valid:
2am EDT Sep 3, 2025-6pm EDT Sep 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation