Weather forecast for Cobb County Saturday, January 20, 2024

Weather forecast for Cobb County Saturday, January 20, 2024

The National Weather Service expects skies to be cloudy here in Cobb County on Saturday, January 20, 2024, with a high of 29 degrees.

The National Weather Service has issued a hazardous weather forecast for Cobb County and other parts of the region due to an arctic air mass that is expected to persist over the region through Sunday.

What does the expanded forecast hold?

Saturday

Sunny, with a high near 29. Low temperatures will reach zero. Winds are northwest around 15 mph, gusting to 25 mph.

Saturday night

Clear, with a low around 12. Northwest winds 5 to 15 mph, with gusts up to 20 mph.

Sunday

Sunny, with a high near 39. Calm winds becoming east around 5 mph in the afternoon.

Sunday night

The weather is mostly clear, with a low around 22. Winds are east around 5 mph.

Monday

Mostly sunny, with high temperatures approaching 48.

Monday night

Partly cloudy, with a low reaching 38 degrees.

Tuesday

A 40 percent chance of rain, especially after 1 p.m. Cloudy, with a high near 52.

Tuesday night

Showers likely. Cloudy, with a low around 48. The chance of rain is 70 percent.

Wednesday

Showers likely, then showers and possibly a thunderstorm after 1 p.m., high 61 degrees. The probability of rain is 80 percent.

Wednesday night

Showers and possibly a thunderstorm. The low temperature is around 57. The chance of rain is 80 percent.

Thursday

Showers and possibly a thunderstorm. The high temperature is near 67. The chance of rain is 90 percent.

Thursday night

Showers and possibly a thunderstorm. The low temperature is around 59. The chance of rain is 80 percent.

Friday

Showers likely. Mostly cloudy, with a high near 67. The chance of rain is 70 percent.

What was the climate like in the last reporting period?

The NWS Climate Summary for Metro Atlanta has now been updated with December 2023 numbers.

In an article entitled What is the difference between climate and weather? The National Ocean Service describes the difference as follows:

“The weather is what you see outside on any given day. So, for example, it could be 75 degrees and sunny or it could be 20 degrees with heavy snow. That’s what the weather is.”

“Climate is the average of that weather. For example, you can expect it to snow in the Northeast in January or to be hot and humid in the Southeast in July. That’s the climate. The climate record also includes outliers such as record high temperatures or Record rainfall amounts. If you’ve ever heard your local meteorologist say, “Today we set a record for the day,” she’s talking about climate records.

“So when we talk about climate change, we’re 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 is Average weather over time and space.



The Atlanta area climate report for the previous month shows how much of a departure from average temperatures that month represents. The average temperature for a date is the average over a 30-year period.

date high a little middle Departure from the norm falling
2023-12-01 66 47 56.5 6.5 0.15
12-02-2023 67 58 62.5 12.7 T
2023-12-03 69 52 60.5 10.9 0.1
2023-12-04 69 45 57 7.6 0
2023-12-05 61 40 50.5 1.3 0
2023-12-06 54 39 46.5 -2.5 0
2023-12-07 59 32 45.5 -3.3 0
2023-12-08 63 37 50 1.4 0
2023-12-09 69 52 60.5 12.1 0.28
2023-12-10 65 38 51.5 3.3 1.16
2023-12-11 51 33 42 -6 0
12-12-2023 56 33 44.5 -3.3 0
2023-12-13 59 35 47 -0.7 0
2023-12-14 59 42 50.5 3 0
2023-12-15 60 35 47.5 0.2 0
2023-12-16 58 41 49.5 2.4 T
12-17-2023 54 48 51 4 0.01
12-18-2023 58 37 47.5 0.7 0
12-19-2023 47 29 38 -8.7 0
2023-12-20 53 29 41 -5.5 0
12-21-2023 57 32 44.5 -1.9 0
12-22-2023 58 40 49 2.8 0
12-23-2023 67 44 55.5 9.4 0
12-24-2023 65 46 55.5 9.5 0.01
12-25-2023 63 57 60 14.2 1.7
12-26-2023 63 53 58 12.3 0.27
12-27-2023 58 47 52.5 6.9 T
12-28-2023 56 39 47.5 2 0
12-29-2023 45 34 39.5 -5.9 T
12-30-2023 49 34 41.5 -3.7 0
12-31-2023 57 31 44 -1.2 0

Climate calendar for metro atlanta

This calendar provides information on past weather conditions for today’s date, January 20, allowing it to be compared to current weather.

Simply put, it helps you know what the weather will typically be like on this day, according to historical data.

Daily data Notice natural Record higher Lower record
Maximum temperature M 54 74 in 2017 30 years 1940
Minimum temperature M 35 62 in 1982 -6 in 1985
Average temperature M 44.6 67.0 in 2017 18.5 in 1985
falling M 0.15 2.61 in 1883 0.00 in 2023
Snowfall M 0.0 1.1 1983 0.0 in 2023
Snow depth M 2 in 1992 0 in 2023
HDD (Base 65) M 20 46 in 1985 0 in 2017
Due Diligence (Rule 65) M 0 2 in 2017 0 in 2023
Month-to-date summary Notice natural Record higher Lower record
Average maximum temperature 51.9 53.7 66.2 in 1907 36.3 in 1977
Average minimum temperature 32.0 35.6 51.3 in 1907 19.8 in 1977
Average temperature 42.0 44.6 58.7 in 1907 28.1 in 1977
Total rainfall 4.73 2.94 14.08 1883 0.25 in 1927
Total snowfall 0.0 0.7 7.0 in 1982 0.0 in 2024
Maximum snow depth 0 5 in 1992 0 in 2024
Total HDD (Base 65) 433 408 733 in 1977 115 in 1907
Total Due Diligence (Base 65) 0 0 8 in 2022 0 in 2024
Year-to-date summary Notice natural Record higher Lower record
Average maximum temperature 51.9 53.7 66.2 in 1907 36.3 in 1977
Average minimum temperature 32.0 35.6 51.3 in 1907 19.8 in 1977
Average temperature 42.0 44.6 58.7 in 1907 28.1 in 1977
Total rainfall 4.73 2.94 14.08 1883 0.25 in 1927
Total snowfall (since July 1) 0.0 1.1 7.0 in 1982 0.0 in 2024
Maximum snow depth (since July 1) 0 5 in 1992 0 in 2024
Total hard drives (since July 1) 1230 1398 2413 in 1977 957 in 2017
Total due diligence (since January 1) 0 0 8 in 2022 0 in 2024

Registration period:

  • Maximum temperature: 1878-10-04 to 2024-01-19
  • Minimum temperature: 1878-10-04 to 2024-01-19
  • Rainfall: 01-10-1878 to 19-01-2024
  • Snowfall: from 12-25-1928 to 01-19-2028
  • Snow depth: 12-25-1928 to 01-19-2028

For more information about 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 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, in order to protect life and property and strengthen the national economy.

“These services include forecasts, 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 and responsive to weather, water and climate events.”

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