The National Weather Service forecasts mostly cloudy skies here in Cobb County on Thursday, January 23, 2025, with a high near 40 degrees.
The National Weather Service has issued a hazardous weather outlook for Cobb County and other parts of the region due to remaining snow and ice on the roads that will lead to hazardous driving conditions tonight. Bitterly cold conditions are expected once again through Thursday morning with wind chills of 10 to 15 degrees expected. A Cold Weather Advisory has also been issued for portions of central Georgia, generally along and south of LaGrange, to Barnesville, to Warrenton.
38°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
Mostly cloudy, with a high near 40. Light southwest wind becoming west 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 22. Northwest wind around 5 mph.
Friday
Sunny, with a high near 42. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 21. Northwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 47. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
A 40 percent chance of showers, mainly after 1 a.m. Mostly cloudy, with a low around 35.
Monday
A 40 percent chance of showers, mainly before 1 p.m. Mostly cloudy, with a high near 49.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 59.
What was the climate like in the latest reporting period?
The NWS climate summary for metro Atlanta has now been updated with December 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 |
| 2024-12-01 | 55 | 31 | 43 | -7 | 0 |
| 2024-12-02 | 51 | 32 | 41.5 | -8.3 | 0 |
| 2024-12-03 | 45 | 30 | 37.5 | -12.1 | 0 |
| 2024-12-04 | 54 | 27 | 40.5 | -8.9 | 0 |
| 2024-12-05 | 58 | 31 | 44.5 | -4.7 | T |
| 2024-12-06 | 46 | 24 | 35 | -14 | 0 |
| 2024-12-07 | 58 | 30 | 44 | -4.8 | 0 |
| 2024-12-08 | 62 | 37 | 49.5 | 0.9 | T |
| 2024-12-09 | 65 | 49 | 57 | 8.6 | 0.34 |
| 2024-12-10 | 68 | 63 | 65.5 | 17.3 | 1.4 |
| 2024-12-11 | 64 | 38 | 51 | 3 | 0.43 |
| 2024-12-12 | 53 | 32 | 42.5 | -5.3 | 0 |
| 2024-12-13 | 59 | 37 | 48 | 0.3 | 0 |
| 2024-12-14 | 59 | 43 | 51 | 3.5 | 0 |
| 2024-12-15 | 51 | 43 | 47 | -0.3 | 0.03 |
| 2024-12-16 | 67 | 45 | 56 | 8.9 | 0 |
| 2024-12-17 | 74 | 50 | 62 | 15 | 0 |
| 2024-12-18 | 73 | 52 | 62.5 | 15.7 | T |
| 2024-12-19 | 59 | 42 | 50.5 | 3.8 | 0 |
| 2024-12-20 | 59 | 36 | 47.5 | 1 | 0 |
| 2024-12-21 | 47 | 32 | 39.5 | -6.9 | 0 |
| 2024-12-22 | 49 | 30 | 39.5 | -6.7 | 0 |
| 2024-12-23 | 50 | 31 | 40.5 | -5.6 | 0 |
| 2024-12-24 | 60 | 32 | 46 | 0 | 0 |
| 2024-12-25 | 60 | 37 | 48.5 | 2.7 | 0 |
| 2024-12-26 | 52 | 43 | 47.5 | 1.8 | 0.03 |
| 2024-12-27 | 51 | 43 | 47 | 1.4 | 0.39 |
| 2024-12-28 | 55 | 47 | 51 | 5.5 | 0.5 |
| 2024-12-29 | 65 | 55 | 60 | 14.6 | 0.86 |
| 2024-12-30 | 67 | 46 | 56.5 | 11.3 | 0 |
| 2024-12-31 | 72 | 49 | 60.5 | 15.3 | 0 |
Climate Almanac for metro Atlanta
This almanac provides information on past climate conditions for January 23, 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 | 54 | 74 in 1937 | 31 in 2005 |
| Min Temperature | M | 35 | 61 in 1937 | 8 in 1963 |
| Avg Temperature | M | 44.8 | 67.5 in 1937 | 22.5 in 1936 |
| Precipitation | M | 0.15 | 2.57 in 1965 | 0.00 in 2022 |
| Snowfall | M | 0.1 | 8.3 in 1940 | 0.0 in 2024 |
| Snow Depth | M | – | 8 in 1940 | 0 in 2024 |
| HDD (base 65) | M | 20 | 42 in 1936 | 0 in 1937 |
| CDD (base 65) | M | 0 | 3 in 1937 | 0 in 2024 |
| Month-to-Date Summary | Observed | Normal | Record Highest | Record Lowest |
| Avg Max Temperature | 47.9 | 53.7 | 64.1 in 1907 | 36.9 in 1918 |
| Avg Min Temperature | 29.3 | 35.6 | 49.0 in 1907 | 19.8 in 1977 |
| Avg Temperature | 38.6 | 44.6 | 56.5 in 1907 | 28.3 in 1977 |
| Total Precipitation | 2.27 | 3.38 | 15.58 in 1883 | 0.25 in 1927 |
| Total Snowfall | 3.2 | 0.8 | 8.3 in 1940 | 0.0 in 2023 |
| Max Snow Depth | 2 | – | 8 in 1940 | 0 in 2024 |
| Total HDD (base 65) | 577 | 469 | 837 in 1977 | 181 in 1907 |
| Total CDD (base 65) | 0 | 0 | 8 in 2022 | 0 in 2025 |
| Year-to-Date Summary | Observed | Normal | Record Highest | Record Lowest |
| Avg Max Temperature | 47.9 | 53.7 | 64.1 in 1907 | 36.9 in 1918 |
| Avg Min Temperature | 29.3 | 35.6 | 49.0 in 1907 | 19.8 in 1977 |
| Avg Temperature | 38.6 | 44.6 | 56.5 in 1907 | 28.3 in 1977 |
| Total Precipitation | 2.27 | 3.38 | 15.58 in 1883 | 0.25 in 1927 |
| Total Snowfall (since July 1) | 3.2 | 1.2 | 8.3 in 1940 | 0.0 in 2020 |
| Max Snow Depth (since July 1) | 2 | – | 8 in 1940 | 0 in 2024 |
| Total HDD (since July 1) | 1313 | 1459 | 2517 in 1977 | 980 in 1932 |
| Total CDD (since Jan 1) | 0 | 0 | 8 in 2022 | 0 in 2025 |
Period of Record:
- Max Temperature : 1878-10-04 to 2025-01-22
- Min Temperature : 1878-10-04 to 2025-01-22
- Precipitation : 1878-10-01 to 2025-01-22
- Snowfall : 1928-12-25 to 2025-01-22
- Snow Depth : 1928-12-25 to 2025-01-22
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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