Cobb climate almanac & weather forecast for Monday, September 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 sunny skies here in Cobb County on Monday, September 16, 2024, with a high near 84 degrees.

Tonight it is expected to be partly cloudy, with an overnight low of around 61 degrees.

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

Sunny, with a high near 84. East wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight

Partly cloudy, with a low around 61. East wind 5 to 10 mph becoming west after midnight.

Tuesday

Sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday Night

Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 86. Light north wind becoming northwest 5 to 10 mph in the morning.

Wednesday Night

Mostly clear, with a low around 62.

Thursday

Sunny, with a high near 87.

Thursday Night

Mostly clear, with a low around 63.

Friday

Sunny, with a high near 87.

Friday Night

Mostly clear, with a low around 65.

Saturday

Sunny, with a high near 84.

Saturday Night

Mostly clear, with a low around 64.

Sunday

Mostly sunny, with a high near 81.

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 16, 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 TemperatureM8497 in 192765 in 1913
Min TemperatureM6676 in 199149 in 1916
Avg TemperatureM75.086.5 in 192760.0 in 1913
PrecipitationM0.134.93 in 20040.00 in 2022
SnowfallM0.00.0 in 20230.0 in 2023
Snow DepthM0 in 20230 in 2023
HDD (base 65)M05 in 19130 in 2023
CDD (base 65)M1022 in 19270 in 2011
Month-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max Temperature83.185.795.6 in 192575.3 in 1967
Avg Min Temperature68.467.974.4 in 192559.3 in 1967
Avg Temperature75.776.885.0 in 192567.3 in 1967
Total Precipitation1.152.0313.27 in 18880.00 in 1897
Total Snowfall0.00.00.0 in 20240.0 in 2024
Max Snow Depth00 in 20240 in 2024
Total HDD (base 65)0018 in 19020 in 2024
Total CDD (base 65)165189324 in 192547 in 1967
Year-to-Date SummaryObservedNormalRecord HighestRecord Lowest
Avg Max Temperature77.675.778.4 in 201270.0 in 1885
Avg Min Temperature58.956.559.4 in 202350.8 in 1940
Avg Temperature68.366.168.7 in 201261.1 in 1940
Total Precipitation44.6936.8155.58 in 192021.81 in 1931
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)0018 in 19020 in 2024
Total CDD (since Jan 1)215718372260 in 20191093 in 1967

Period of Record:

  • Max Temperature : 1878-10-04 to 2024-09-15
  • Min Temperature : 1878-10-04 to 2024-09-15
  • Precipitation : 1878-10-01 to 2024-09-15
  • Snowfall : 1928-12-25 to 2024-09-15
  • Snow Depth : 1928-12-25 to 2024-09-15

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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