Cobb climate almanac & weather forecast for Wednesday, October 30, 2024

Cobb weather November 28: Photo of cloudy skies above a residential street

The National Weather Service forecasts mostly cloudy skies here in Cobb County on Wednesday, October 30, 2024, with a high near 75 degrees.

The National Weather Service has issued a hazardous weather outlook for Cobb County and other parts of the region due to patchy dense fog that could develop over portions of east central Georgia through 9 a.m Wednesday.

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

Patchy fog before 10 a.m. Otherwise, mostly cloudy, with a high near 75. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. 

Tonight

Patchy fog after 4 a.m. Otherwise, partly cloudy, with a low around 60. East wind around 5 mph. 

Thursday

Patchy fog before 10 a.m. Otherwise, partly sunny, with a high near 78. Southeast wind 5 to 10 mph. 

Thursday Night

Mostly cloudy, with a low around 61. Southeast wind around 5 mph. 

Friday

Partly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. 

Friday Night

Mostly cloudy, with a low around 60.

Saturday

Partly sunny, with a high near 80.

Saturday Night

Mostly cloudy, with a low around 60.

Sunday

Partly sunny, with a high near 75.

Sunday Night

Partly cloudy, with a low around 58.

Monday

Partly sunny, with a high near 75.

Monday Night

Partly cloudy, with a low around 59.

Tuesday

Partly sunny, with a high near 78.

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 30, 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 TemperatureM7086 in 201644 in 1925
Min TemperatureM4967 in 191929 in 1952
Avg TemperatureM59.473.5 in 198439.5 in 1917
PrecipitationM0.112.66 in 18810.00 in 2023
SnowfallM0.00.0 in 20230.0 in 2023
Snow DepthM0 in 20230 in 2023
HDD (base 65)M725 in 19170 in 2023
CDD (base 65)M19 in 19840 in 2022
Month-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max Temperature78.474.680.9 in 201664.9 in 1885
Avg Min Temperature57.355.163.4 in 191945.9 in 1976
Avg Temperature67.964.870.9 in 191956.5 in 1976
Total Precipitation0.003.1810.88 in 19950.00 in 2024
Total Snowfall0.00.00.0 in 20240.0 in 2024
Max Snow Depth00 in 20240 in 2024
Total HDD (base 65)4591258 in 197619 in 2016
Total CDD (base 65)13687204 in 19193 in 1885
Year-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max Temperature78.175.878.5 in 201969.0 in 1878
Avg Min Temperature59.256.759.8 in 201951.1 in 1940
Avg Temperature68.766.369.1 in 201960.5 in 1878
Total Precipitation55.8341.7861.77 in 20201.99 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)4597279 in 191720 in 2016
Total CDD (since Jan 1)247420372643 in 201933 in 1878

Period of Record:

  • Max Temperature : 1878-10-04 to 2024-10-29
  • Min Temperature : 1878-10-04 to 2024-10-29
  • Precipitation : 1878-10-01 to 2024-10-29
  • Snowfall : 1928-12-25 to 2024-10-28
  • Snow Depth : 1928-12-25 to 2024-10-27

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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