Cobb County weather forecast for Sunday August 21

Cobb weather November 25 : Photo of cloudy skies above a residential street

The National Weather Service forecasts a 90 percent chance of rain here in Cobb County on Sunday August 21, with a high near 83 degrees.

A hazardous weather outlook was issued for the county, due to the chance of gusty winds, locally heavy rainfall, and frequent lightning.

Extended forecast

This forecast is centered on Dobbins Air Reserve Base in Marietta.

Sunday

Showers and possibly a thunderstorm. High near 83. Light southwest wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 90 percent. New rainfall amounts between a quarter and half of an inch possible.

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Sunday Night

Showers likely and possibly a thunderstorm before 11 p.m, then a chance of showers and thunderstorms after 11 p.m. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 70 percent.

Monday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. West wind around 5 mph.

Monday Night

A 20 percent chance of showers and thunderstorms before 2 a.m. Mostly cloudy, with a low around 67.

Tuesday

A slight chance of showers between 8 a.m and 2 p.m, then a chance of showers and thunderstorms after 2 p.m. Partly sunny, with a high near 85. Chance of precipitation is 30 percent.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly before 8 p.m. Partly cloudy, with a low around 67.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly after 2 p.m. Mostly sunny, with a high near 86.

Wednesday Night

A chance of showers and thunderstorms before 2 a.m, then a slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30 percent.

Thursday

Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60 percent.

Thursday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60 percent.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Friday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 85.

July 2022 climate summary for Atlanta area

The NWS climate summary for metro Atlanta has now been updated with July figures.

In an article entitled What is the Difference between Climate and Weather?, the National Ocean Service describes the difference as follows:

Weather is what you see outside on any particular day. So, for example, it may be 75° degrees and sunny or it could be 20° degrees with heavy snow. That’s the weather.

Climate is the average of that weather. For example, you can expect snow in the Northeast in January or for it to be hot and humid in the Southeast in July. This is climate. The climate record also includes extreme values such as record high temperatures or record amounts of rainfall. If you’ve ever heard your local weather person say “today we hit a record high for this day,” she is talking about climate records.

So when we are talking about climate change, we are talking about changes in long-term averages of daily weather. In most places, weather can change from minute-to-minute, hour-to-hour, day-to-day, and season-to-season. Climate, however, is the average of weather over time and space.

The climate report for the Atlanta area for the previous month shows how much departure from the average temperatures that month represents. The average temperature for a date is the average over a 30-year period.

DateHighLowAverageDeparture from normalPrecipitation






2022-07-01837478.5-1.60.01
2022-07-02917281.51.30
2022-07-03927382.52.20.59
2022-07-049373832.61.69
2022-07-059373832.50.15
2022-07-06947785.54.9T
2022-07-079476854.4T
2022-07-089474843.30.02
2022-07-098874810.20.04
2022-07-10877279.5-1.30.17
2022-07-11817276.5-4.4T
2022-07-12887380.5-0.50
2022-07-13917482.51.50.25
2022-07-14907381.50.50
2022-07-15917181-0.10
2022-07-16907180.5-0.60
2022-07-17907381.50.40
2022-07-189373831.80.15
2022-07-19876978-3.20.59
2022-07-209274831.8T
2022-07-21797275.5-5.70.11
2022-07-22907180.5-0.70.13
2022-07-23917181-0.2T
2022-07-24937483.52.20
2022-07-25917482.51.20
2022-07-269274831.80
2022-07-27937483.52.30
2022-07-289175831.80.01
2022-07-29947584.53.30.23
2022-07-30907281-0.20.03
2022-07-31927181.50.30
Spring 2022 Temperature Climate Statistics
Climate SiteAverage Temperature (deg)Normal Temperature (deg)DFN (Departure From Normal)
Athens63.962.0+1.9
Atlanta65.162.1+3.0
Columbus66.865.1+1.7
Macon66.164.0+2.1
Cartersville77.759.5+0.3
Dekalb Peachtree Arpt62.761.4+1.3
Fulton County Arpt63.161.3+1.8
Gainesville62.860.4+2.4
Peachtree City64.160.9+3.2
Rome63.860.0+3.8

For much more information on the climate in our area, visit the NWS Climate FAQ for the Atlanta area.

About the National Weather Service

The National Weather Service (NWS) is a part of the National Oceanic and Atmospheric Administration (NOAA).

The NWS describes its role as follows:

The National Weather Service (NWS) provides weather, water, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy. These services include Forecasts and Observations, Warnings, Impact-based Decision Support Services, and Education in an effort to build a Weather-Ready Nation. The ultimate goal is to have a society that is prepared for and responds to weather, water and climate events.

Read all the Cobb County Courier climate and weather coverage by following this link.

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