Cobb climate almanac & weather forecast for Sunday, September 1, 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 partly sunny skies here in Cobb County on Sunday, September 1, 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 scattered thunderstorms that are expected this afternoon into evening. A few storms could become strong to severe also with the main threats being damaging wind gusts, frequent lightning, and heavy rainfall.

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

A 30 percent chance of showers and thunderstorms, mainly after 2 p.m. Partly sunny, with a high near 91. Heat index values as high as 97. Calm wind becoming west around 5 mph in the afternoon.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9 p.m. Partly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening.

Labor Day

A slight chance of showers, then a chance of showers and thunderstorms after 2 p.m. Mostly sunny, with a high near 89. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30 percent.

Monday Night

A chance of showers and thunderstorms before 11 p.m, then isolated showers between 11 p.m and 2 a.m. Partly cloudy, with a low around 68. East wind around 5 mph. Chance of precipitation is 30 percent.

Tuesday

Isolated showers after 2 p.m. Partly sunny, with a high near 83. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20 percent.

Tuesday Night

Isolated showers before 8 p.m. Mostly cloudy, with a low around 64. Chance of precipitation is 10 percent.

Wednesday

Isolated showers after 2 p.m. Mostly cloudy, with a high near 80. Chance of precipitation is 20 percent.

Wednesday Night

Scattered showers, mainly after 8 p.m. Mostly cloudy, with a low around 64. Chance of precipitation is 30 percent.

Thursday

Scattered showers, with thunderstorms also possible after 2 p.m. Mostly cloudy, with a high near 78. Chance of precipitation is 50 percent.

Thursday Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50 percent.

Friday

Scattered showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50 percent.

Friday Night

Scattered showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30 percent.

Saturday

Isolated showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 20 percent.

What was the climate like in the latest reporting period?

The NWS climate summary for metro Atlanta has now been updated with August 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
2024-08-019474842.80
2024-08-029377853.90.04
2024-08-03917482.51.40
2024-08-04917482.51.4T
2024-08-05927583.52.5T
2024-08-0693778540
2024-08-079674854.10
2024-08-08967786.55.60
2024-08-09957685.54.70
2024-08-109373832.20
2024-08-11926980.5-0.20
2024-08-129270810.40
2024-08-139371821.40
2024-08-149276843.50
2024-08-159074821.60
2024-08-16917281.51.20.39
2024-08-179571832.80.11
2024-08-18917281.51.30.23
2024-08-19897079.5-0.60
2024-08-20897079.5-0.50
2024-08-21856776-3.80
2024-08-22856977-2.70
2024-08-23856575-4.60
2024-08-24886677-2.50
2024-08-25906979.50.10
2024-08-269270811.80
2024-08-27947182.53.40
2024-08-28977485.56.50
2024-08-299876878.20
2024-08-30967585.56.80.03
2024-08-31MMMMM

Climate Almanac for metro Atlanta

This almanac provides information on past climate conditions for September 1, allowing comparisons 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 TemperatureM8797 in 195767 in 1986
Min TemperatureM7075 in 201155 in 1903
Avg TemperatureM78.385.0 in 201164.5 in 1986
PrecipitationM0.122.92 in 18980.00 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)M1320 in 20110 in 1986
Month-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max TemperatureM87.197.0 in 195767.0 in 1986
Avg Min TemperatureM69.575.0 in 201155.0 in 1903
Avg TemperatureM78.385.0 in 201164.5 in 1986
Total PrecipitationM0.122.92 in 18980.00 in 2023
Total SnowfallM0.00.0 in 20230.0 in 2023
Max Snow DepthM0 in 20230 in 2023
Total HDD (base 65)M00 in 20230 in 2023
Total CDD (base 65)M1320 in 20110 in 1986
Year-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max Temperature77.375.178.0 in 201269.3 in 1895
Avg Min Temperature58.355.858.7 in 202350.1 in 1940
Avg Temperature67.865.468.3 in 201260.4 in 1940
Total Precipitation43.5434.9053.45 in 192020.72 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)0011 in 19860 in 2024
Total CDD (since Jan 1)199216621992 in 20241050 in 1967

Period of Record:

  • Max Temperature : 1878-10-04 to 2024-08-31
  • Min Temperature : 1878-10-04 to 2024-08-31
  • Precipitation : 1878-10-01 to 2024-08-31
  • Snowfall : 1928-12-25 to 2024-08-31
  • Snow Depth : 1928-12-25 to 2024-08-31

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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