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.

Light Rain

68°F

20°C

Humidity 78%
Wind Speed SW 7 mph
Barometer 29.97 in (1013.9 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 16 Jun 8:50 am EDT
Extended Forecast for

4 Miles WNW Roswell GA

  • Today

    Today: Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    T-storms
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a slight chance of thunderstorms after 5pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    T-storms then
    Showers

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 90%.

    High: 81 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before 1pm, then a slight chance of thunderstorms after 5pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.
Juneteenth
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 90%.
Friday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 64.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Roswell GA
 34.07°N 84.43°W (Elev. 1089 ft)
Last Update:
2:26 am EDT Jun 16, 2026
Forecast Valid:
9am EDT Jun 16, 2026-6pm EDT Jun 22, 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