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.

Fair

73°F

23°C

Humidity 84%
Wind Speed W 7 mph
Barometer 29.85 in (1009.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 3 Aug 12:50 am EDT
Extended Forecast for

4 Miles NNW Roswell GA

  • Overnight

    Overnight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. Calm wind becoming east around 5 mph. Chance of precipitation is 70%.

    High: 85 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 68. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely, mainly between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. Calm wind becoming east around 5 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71.
Friday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Roswell GA
 34.09°N 84.37°W (Elev. 1102 ft)
Last Update:
12:56 am EDT Aug 3, 2026
Forecast Valid:
1am EDT Aug 3, 2026-6pm EDT Aug 9, 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