Cobb climate almanac & weather forecast for Tuesday, October 1, 2024

Cobb weather October 4: Photo of cloudy skies above a residential street

The National Weather Service forecasts cloudy skies here in Cobb County on Tuesday, October 1, 2024, with a high near 80 degrees.

The National Weather Service has issued a hazardous weather outlook due to areas of river flooding that will continue along the Ocmulgee, Ohoopee, and Oconee rivers in central Georgia.

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

Cloudy, then gradually becoming mostly sunny, with a high near 80. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

Tonight

Mostly clear, with a low around 63. Northwest wind around 5 mph.

Wednesday

Sunny, with a high near 82. Northwest wind around 5 mph becoming calm.

Wednesday Night

Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.

Thursday

Mostly sunny, with a high near 82. Southeast wind around 5 mph.

Thursday Night

Partly cloudy, with a low around 65.

Friday

Partly sunny, with a high near 79.

Friday Night

Mostly cloudy, with a low around 62.

Saturday

Mostly sunny, with a high near 82.

Saturday Night

Partly cloudy, with a low around 62.

Sunday

Mostly sunny, with a high near 80.

Sunday Night

Mostly clear, with a low around 61.

Monday

Sunny, with a high near 79.

What was the climate like in the latest reporting period?

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

DateMaxMinAvgDeparture from normPrecipitation
2024-09-019674856.70
2024-09-029472834.90.7
2024-09-0385717800
2024-09-04856575-2.80
2024-09-05846976.5-1.10
2024-09-06807075-2.40.02
2024-09-07876877.50.30.01
2024-09-08846474-30
2024-09-09856776-0.70
2024-09-10866575.5-10
2024-09-11786772.5-3.80.09
2024-09-12746770.5-5.50.23
2024-09-13756871.5-4.30.03
2024-09-14746971.5-40.07
2024-09-15797074.5-0.8T
2024-09-1683677500
2024-09-17846273-1.70
2024-09-18846775.510
2024-09-19896878.54.30
2024-09-209270817.10
2024-09-219470828.40
2024-09-22977284.511.20
2024-09-23967384.511.50
2024-09-24937483.510.9T
2024-09-258666763.73.42
2024-09-26746670-24.32
2024-09-27756670.5-1.23.38
2024-09-28786571.50.20
2024-09-2980667320.02
2024-09-30816673.52.90

Climate Almanac for metro Atlanta

This almanac provides information on past climate conditions for October 1, allowing comparisons to current weather. 

Daily DataObservedNormalRecord HighestRecord Lowest
Max TemperatureM8093 in 201959 in 1920
Min TemperatureM6174 in 201940 in 1924
Avg TemperatureM70.383.5 in 201950.0 in 1920
PrecipitationM0.133.92 in 19850.00 in 2023
SnowfallM0.00.0 in 20230.0 in 2023
Snow DepthM0 in 20230 in 2023
HDD (base 65)M115 in 19200 in 2023
CDD (base 65)M619 in 20190 in 2011
Month-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max TemperatureM79.693.0 in 201959.0 in 1920
Avg Min TemperatureM60.974.0 in 201940.0 in 1924
Avg TemperatureM70.383.5 in 201950.0 in 1920
Total PrecipitationM0.133.92 in 19850.00 in 2023
Total SnowfallM0.00.0 in 20230.0 in 2023
Max Snow DepthM0 in 20230 in 2023
Total HDD (base 65)M115 in 19200 in 2023
Total CDD (base 65)M619 in 20190 in 2011
Year-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max Temperature78.176.078.7 in 201970.1 in 1885
Avg Min Temperature59.456.959.8 in 201951.1 in 1940
Avg Temperature68.766.569.2 in 201961.5 in 1940
Total Precipitation55.8338.7358.69 in 19290.00 in 1878
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)0657 in 19670 in 2024
Total CDD (since Jan 1)233819572496 in 20191149 in 1967

Period of Record:

  • Max Temperature : 1878-10-04 to 2024-09-30
  • Min Temperature : 1878-10-04 to 2024-09-30
  • Precipitation : 1878-10-01 to 2024-09-30
  • Snowfall : 1928-12-25 to 2024-09-29
  • Snow Depth : 1928-12-25 to 2024-09-27

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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