Cobb County weather forecast for Friday, August 16, 2024

Photo of Veterans Memorial Highway on a clear day with the Cobb County Courier logo and the words "Weather forecast"

The National Weather Service forecasts mostly sunny skies here in Cobb County on Friday, August 16, 2024, with a high near 91 degrees.

The National Weather Service has issued a hazardous weather outlook for Cobb County and other parts of the region due to isolated to scattered thunderstorms that are possible this afternoon across portions of north Georgia. A Slight (level 2 out of 4) Risk of excessive rainfall and a Marginal (level 1 out of 5) Risk of severe weather are in effect.

What you will read in this article

  1. The extended forecast for Cobb County
  2. Last month’s climate summary for the metro Atlanta region
  3. The climate almanac for metro Atlanta
  4. What the National Weather Service is, and what it does

What does the extended forecast have in store?

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

Today

Mostly sunny, with a high near 91. South wind around 5 mph becoming southwest in the afternoon.

Tonight

Showers and thunderstorms likely, mainly before 1 a.m. Mostly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 60 percent. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A 40 percent chance of showers and thunderstorms, mainly after 11 a.m. Partly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming west around 5 mph in the morning.

Saturday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. West wind around 5 mph.

Sunday

A 30 percent chance of showers and thunderstorms after 2 p.m. Mostly sunny, with a high near 91. West wind 5 to 15 mph, with gusts as high as 20 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms before 8 p.m. Mostly clear, with a low around 67.

Monday

Sunny, with a high near 87.

Monday Night

Clear, with a low around 64.

Tuesday

Sunny, with a high near 88.

Tuesday Night

Clear, with a low around 64.

Wednesday

Sunny, with a high near 89.

Wednesday Night

Mostly clear, with a low around 66.

Thursday

Sunny, with a high near 88.

What was the climate like in the latest reporting period?

The NWS climate summary for metro Atlanta has now been updated with July 2024 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.

DateMaxMinAverageDeparture from normPrecipitation
2024-07-019779887.90
2024-07-029076832.80
2024-07-03927784.54.20
2024-07-04977686.56.10.01
2024-07-059476854.51.43
2024-07-06937684.53.90.02
2024-07-079074821.41.75
2024-07-08917482.51.8T
2024-07-09927583.52.70.29
2024-07-10887380.5-0.30
2024-07-11917080.5-0.40
2024-07-12947584.53.50
2024-07-13977686.55.50
2024-07-1497778760
2024-07-15967585.54.4T
2024-07-16917482.51.40
2024-07-17927583.52.40.06
2024-07-189274831.80.09
2024-07-19877380-1.20.39
2024-07-20837076.5-4.71.39
2024-07-21897280.5-0.70.04
2024-07-22877279.5-1.70
2024-07-23907582.51.31.1
2024-07-24887179.5-1.81.52
2024-07-25877480.5-0.80.75
2024-07-269173820.80.39
2024-07-27857379-2.2T
2024-07-28807376.5-4.73.47
2024-07-29877179-2.20.65
2024-07-30927181.50.30.65
2024-07-319373831.80.02

Climate Almanac for metro Atlanta

This almanac provides information on past climate conditions for today’s date, August 16, allowing a comparison to current weather. 

Simply put, it helps you see what the weather would typically be like on this day, according to historical data.

Daily DataObservedNormalRecord HighestRecord Lowest
Max TemperatureM89102 in 195467 in 2013
Min TemperatureM7279 in 200760 in 1889
Avg TemperatureM80.390.0 in 200765.0 in 2013
PrecipitationM0.142.22 in 18950.00 in 2023
SnowfallM0.00.0 in 20230.0 in 2023
Snow DepthM0 in 20230 in 2023
HDD (base 65)M00 in 20230 in 2023
CDD (base 65)M1525 in 20070 in 2013
Month-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max Temperature92.989.797.8 in 200780.5 in 1884
Avg Min Temperature74.171.976.6 in 200765.4 in 1976
Avg Temperature83.580.887.2 in 200773.2 in 1884
Total Precipitation0.042.188.39 in 19200.02 in 2007
Total Snowfall0.00.00.0 in 20240.0 in 2024
Max Snow Depth00 in 20240 in 2024
Total HDD (base 65)002 in 18940 in 2024
Total CDD (base 65)280253359 in 2007136 in 1884
Year-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max Temperature76.374.177.4 in 201268.2 in 1912
Avg Min Temperature57.454.857.8 in 201748.9 in 1940
Avg Temperature66.964.567.6 in 201259.1 in 1940
Total Precipitation42.7832.6651.82 in 192017.26 in 2007
Total Snowfall (since July 1)0.00.0T in 20010.0 in 2024
Max Snow Depth (since July 1)0T in 19420 in 2024
Total HDD (since July 1)004 in 19360 in 2024
Total CDD (since Jan 1)173314311733 in 2024910 in 1976

Period of Record:

  • Max Temperature : 1878-10-04 to 2024-08-15
  • Min Temperature : 1878-10-04 to 2024-08-15
  • Precipitation : 1878-10-01 to 2024-08-15
  • Snowfall : 1928-12-25 to 2024-08-15
  • Snow Depth : 1928-12-25 to 2024-08-15

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

What does the National Weather Service do?

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.”

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