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.

Mostly Cloudy

84°F

29°C

Humidity 72%
Wind Speed NW 8 mph
Barometer 30.03 in (1015.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 26 Jul 12:50 pm EDT
Extended Forecast for

4 Miles WNW Roswell GA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Heat index values as high as 98. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Northwest wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 92. Heat index values as high as 100. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 92 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Northwest wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Heat index values as high as 98. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 71. Northwest wind around 5 mph.
Monday
A 30 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 92. Heat index values as high as 100. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 74. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 69.
Friday
Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Roswell GA
 34.05°N 84.43°W (Elev. 1099 ft)
Last Update:
12:52 pm EDT Jul 26, 2026
Forecast Valid:
1pm EDT Jul 26, 2026-6pm EDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation