The National Weather Service forecasts sunny skies here in Cobb County on Tuesday, December 24, Christmas Eve 2024, with a high near 55 degrees.
Tonight it is expected to be mostly clear, with an overnight low of around 34 degrees.
34°F
Bonus for the more weather-curious among you … To read an article about interpreting a weather news report with some of the typical terminology defined, follow this link.
What you will read in this article
- The extended forecast for Cobb County
- Last month’s climate summary for the metro Atlanta region
- The climate almanac for metro Atlanta
- What the National Weather Service is, and what it does
To read an article about interpreting a weather news report, with some of the typical terminology defined, follow this link.
What does the extended forecast have in store?
This forecast is centered on Dobbins Air Reserve Base in Marietta.
Today
Widespread frost before 10 a.m. Otherwise, sunny, with a high near 55. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Areas of frost after midnight. Otherwise, clear, with a low around 34. Calm wind.
Christmas Day
Areas of frost before 9 a.m. Otherwise, mostly sunny, with a high near 57. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 39. East wind around 5 mph, with gusts as high as 15 mph.
Thursday
Partly sunny, with a high near 55. East wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
A 20 percent chance of showers after 1pm. Cloudy, with a high near 51.
Friday Night
A 40 percent chance of showers, mainly after 1 a.m. Cloudy, with a low around 46.
Saturday
A 40 percent chance of showers. Cloudy, with a high near 59.
Saturday Night
Showers likely. Cloudy, with a low around 53. Chance of precipitation is 70 percent.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 62.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 61.
What was the climate like in the latest reporting period?
The NWS climate summary for metro Atlanta has now been updated with November 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.
| Date | High | Low | Average | Departure from Norm | Precipitation |
| 2024-11-01 | 75 | 64 | 69.5 | 10.8 | T |
| 2024-11-02 | 80 | 61 | 70.5 | 12.2 | 0 |
| 2024-11-03 | 67 | 60 | 63.5 | 5.5 | T |
| 2024-11-04 | 63 | 59 | 61 | 3.4 | T |
| 2024-11-05 | 78 | 61 | 69.5 | 12.2 | T |
| 2024-11-06 | 74 | 67 | 70.5 | 13.6 | T |
| 2024-11-07 | 73 | 67 | 70 | 13.4 | T |
| 2024-11-08 | 80 | 66 | 73 | 16.7 | 0 |
| 2024-11-09 | 75 | 63 | 69 | 13 | 0 |
| 2024-11-10 | 65 | 56 | 60.5 | 4.9 | 0.07 |
| 2024-11-11 | 76 | 57 | 66.5 | 11.2 | T |
| 2024-11-12 | 77 | 52 | 64.5 | 9.5 | 0 |
| 2024-11-13 | 66 | 52 | 59 | 4.3 | 0.04 |
| 2024-11-14 | 56 | 50 | 53 | -1.4 | 0.97 |
| 2024-11-15 | 66 | 48 | 57 | 2.9 | 0 |
| 2024-11-16 | 72 | 45 | 58.5 | 4.7 | 0 |
| 2024-11-17 | 73 | 46 | 59.5 | 6 | 0 |
| 2024-11-18 | 75 | 51 | 63 | 9.7 | 0 |
| 2024-11-19 | 64 | 59 | 61.5 | 8.5 | 1.63 |
| 2024-11-20 | 74 | 48 | 61 | 8.3 | 0.46 |
| 2024-11-21 | 60 | 41 | 50.5 | -2 | 0 |
| 2024-11-22 | 54 | 38 | 46 | -6.2 | 0 |
| 2024-11-23 | 61 | 37 | 49 | -2.9 | 0 |
| 2024-11-24 | 70 | 40 | 55 | 3.3 | 0 |
| 2024-11-25 | 72 | 46 | 59 | 7.6 | 0 |
| 2024-11-26 | 64 | 46 | 55 | 3.8 | 0.15 |
| 2024-11-27 | 65 | 42 | 53.5 | 2.6 | 0 |
| 2024-11-28 | 67 | 43 | 55 | 4.3 | 0.05 |
| 2024-11-29 | 51 | 36 | 43.5 | -7 | 0 |
| 2024-11-30 | 50 | 31 | 40.5 | -9.8 | 0 |
Climate Almanac for metro Atlanta
This almanac provides information on past climate conditions for December 24, 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 | 55 | 73 in 2016 | 27 in 2022 |
| Min Temperature | M | 37 | 65 in 2015 | 3 in 1983 |
| Avg Temperature | M | 46.0 | 68.5 in 2015 | 16.0 in 1983 |
| Precipitation | M | 0.16 | 3.93 in 2015 | 0.00 in 2022 |
| Snowfall | M | 0.1 | T in 2020 | 0.0 in 2023 |
| Snow Depth | M | – | T in 1963 | 0 in 2023 |
| HDD (base 65) | M | 19 | 49 in 1983 | 0 in 2015 |
| CDD (base 65) | M | 0 | 4 in 2015 | 0 in 2023 |
| Month-to-Date Summary | Observed | Normal | Record Highest | Record Lowest |
| Avg Max Temperature | 57.7 | 56.8 | 66.3 in 1889 | 43.3 in 1963 |
| Avg Min Temperature | 37.6 | 38.9 | 48.4 in 1889 | 26.3 in 1963 |
| Avg Temperature | 47.6 | 47.8 | 57.3 in 1889 | 34.8 in 1963 |
| Total Precipitation | 2.20 | 3.46 | 12.94 in 1919 | 0.14 in 1988 |
| Total Snowfall | 0.0 | 0.3 | 3.0 in 2000 | 0.0 in 2024 |
| Max Snow Depth | 0 | – | 2 in 2017 | 0 in 2024 |
| Total HDD (base 65) | 394 | 414 | 720 in 1963 | 179 in 1889 |
| Total CDD (base 65) | 1 | 2 | 13 in 1991 | 0 in 2023 |
| Year-to-Date Summary | Observed | Normal | Record Highest | Record Lowest |
| Avg Max Temperature | 76.0 | 73.6 | 76.0 in 2016 | 60.7 in 1878 |
| Avg Min Temperature | 57.1 | 54.4 | 57.1 in 2024 | 44.7 in 1878 |
| Avg Temperature | 66.6 | 64.0 | 66.6 in 2024 | 52.7 in 1878 |
| Total Precipitation | 61.40 | 49.32 | 69.24 in 1948 | 11.02 in 1878 |
| Total Snowfall (since July 1) | 0.0 | 0.3 | 3.0 in 2000 | 0.0 in 2024 |
| Max Snow Depth (since July 1) | 0 | – | 2 in 2017 | 0 in 2024 |
| Total HDD (since July 1) | 635 | 853 | 1497 in 1976 | 536 in 2015 |
| Total CDD (since Jan 1) | 2528 | 2051 | 2643 in 2019 | 33 in 1878 |
Period of Record:
- Max Temperature : 1878-10-04 to 2024-12-23
- Min Temperature : 1878-10-04 to 2024-12-23
- Precipitation : 1878-10-01 to 2024-12-23
- Snowfall : 1928-12-25 to 2024-12-22
- Snow Depth : 1928-12-25 to 2024-12-21
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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