The National Weather Service forecasts sunny skies here in Cobb County on Saturday, October 11, 2024, with a high near 78 degrees.

Tonight it is expected to be clear, with an overnight low of around 53 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

Today

Sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.

Tonight

Clear, with a low around 53. Calm wind.

Sunday

Sunny, with a high near 83. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

Sunday Night

Clear, with a low around 60. Southwest wind around 5 mph, with gusts as high as 15 mph.

Columbus Day

Sunny, with a high near 72. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Monday Night

Clear, with a low around 46.

Tuesday

Mostly sunny, with a high near 66.

Tuesday Night

Clear, with a low around 40.

Wednesday

Sunny, with a high near 64.

Wednesday Night

Clear, with a low around 39.

Thursday

Sunny, with a high near 67.

Thursday Night

Clear, with a low around 43.

Friday

Sunny, with a high near 70.

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.”

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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.

Date	Max	Min	Avg	Departure from norm	Precipitation
2024-09-01	96	74	85	6.7	0
2024-09-02	94	72	83	4.9	0.7
2024-09-03	85	71	78	0	0
2024-09-04	85	65	75	-2.8	0
2024-09-05	84	69	76.5	-1.1	0
2024-09-06	80	70	75	-2.4	0.02
2024-09-07	87	68	77.5	0.3	0.01
2024-09-08	84	64	74	-3	0
2024-09-09	85	67	76	-0.7	0
2024-09-10	86	65	75.5	-1	0
2024-09-11	78	67	72.5	-3.8	0.09
2024-09-12	74	67	70.5	-5.5	0.23
2024-09-13	75	68	71.5	-4.3	0.03
2024-09-14	74	69	71.5	-4	0.07
2024-09-15	79	70	74.5	-0.8	T
2024-09-16	83	67	75	0	0
2024-09-17	84	62	73	-1.7	0
2024-09-18	84	67	75.5	1	0
2024-09-19	89	68	78.5	4.3	0
2024-09-20	92	70	81	7.1	0
2024-09-21	94	70	82	8.4	0
2024-09-22	97	72	84.5	11.2	0
2024-09-23	96	73	84.5	11.5	0
2024-09-24	93	74	83.5	10.9	T
2024-09-25	86	66	76	3.7	3.42
2024-09-26	74	66	70	-2	4.32
2024-09-27	75	66	70.5	-1.2	3.38
2024-09-28	78	65	71.5	0.2	0
2024-09-29	80	66	73	2	0.02
2024-09-30	81	66	73.5	2.9	0

Climate Almanac for metro Atlanta

This almanac provides information on past climate conditions for October 12, 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 Data	Observed	Normal	Record Highest	Record Lowest
Max Temperature	M	76	87 in 2017	55 in 1888
Min Temperature	M	57	70 in 2020	36 in 1906
Avg Temperature	M	66.2	77.0 in 2017	46.5 in 1906
Precipitation	M	0.09	2.50 in 2009	0.00 in 2021
Snowfall	M	0.0	0.0 in 2023	0.0 in 2023
Snow Depth	M	–	0 in 2023	0 in 2023
HDD (base 65)	M	2	18 in 1906	0 in 2022
CDD (base 65)	M	3	12 in 2017	0 in 2023
Month-to-Date Summary	Observed	Normal	Record Highest	Record Lowest
Avg Max Temperature	82.5	77.7	86.4 in 1884	65.7 in 1885
Avg Min Temperature	64.5	58.8	68.0 in 1884	46.4 in 1974
Avg Temperature	73.5	68.3	77.2 in 1884	58.5 in 1888
Total Precipitation	0.00	1.32	8.89 in 1995	0.00 in 2024
Total Snowfall	0.0	0.0	0.0 in 2024	0.0 in 2024
Max Snow Depth	0	–	0 in 2024	0 in 2024
Total HDD (base 65)	0	16	81 in 1964	0 in 2024
Total CDD (base 65)	96	55	151 in 1884	0 in 1992
Year-to-Date Summary	Observed	Normal	Record Highest	Record Lowest
Avg Max Temperature	78.3	76.1	78.9 in 2019	69.9 in 1885
Avg Min Temperature	59.6	57.0	60.9 in 1878	51.1 in 1940
Avg Temperature	68.9	66.5	69.5 in 2019	61.6 in 1940
Total Precipitation	55.83	39.92	59.18 in 1929	0.22 in 1878
Total Snowfall (since July 1)	0.0	0.0	T in 2001	0.0 in 2024
Max Snow Depth (since July 1)	0	–	T in 1942	0 in 2024
Total HDD (since July 1)	0	21	109 in 1888	0 in 2024
Total CDD (since Jan 1)	2434	2006	2621 in 2019	26 in 1878

Period of Record:

• Max Temperature : 1878-10-04 to 2024-10-11
• Min Temperature : 1878-10-04 to 2024-10-11
• Precipitation : 1878-10-01 to 2024-10-11
• Snowfall : 1928-12-25 to 2024-10-10
• Snow Depth : 1928-12-25 to 2024-10-08

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.”