The National Weather Service forecasts mostly cloudy skies here in Cobb County on Tuesday, June 23, 2026, with a high near 81 degrees.
Tonight it is expected to be mostly clear, with an overnight low of around 62 degrees
71°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.
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, then gradually becoming sunny, with a high near 81. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 62. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 85. Calm wind becoming south around 5 mph.
Wednesday Night
Partly cloudy, with a low around 66. Calm wind.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 71.
Friday
A 20 percent chance of showers and thunderstorms after 2 p.m. Mostly sunny, with a high near 90.
Friday Night
A 10 percent chance of showers and thunderstorms before 8 p.m. Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
What was the climate like in the latest reporting period?
The NWS climate summary for metro Atlanta has now been updated with May 2026 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 Temp | Low Temp | Average | Departure from Norm | Precipitation |
| 2026-05-01 | 66 | 57 | 62 | -6 | T |
| 2026-05-02 | 72 | 53 | 63 | -5 | 0 |
| 2026-05-03 | 72 | 47 | 60 | -8 | 0 |
| 2026-05-04 | 78 | 50 | 64 | -4 | 0 |
| 2026-05-05 | 81 | 56 | 69 | 0 | 0 |
| 2026-05-06 | 82 | 65 | 74 | 5 | 0 |
| 2026-05-07 | 73 | 59 | 66 | -3 | 0 |
| 2026-05-08 | 73 | 55 | 64 | -5 | 0 |
| 2026-05-09 | 71 | 60 | 66 | -4 | 0 |
| 2026-05-10 | 83 | 60 | 72 | 2 | 0 |
| 2026-05-11 | 83 | 64 | 74 | 4 | 0 |
| 2026-05-12 | 73 | 61 | 67 | -3 | 0 |
| 2026-05-13 | 81 | 59 | 70 | -1 | 0 |
| 2026-05-14 | 76 | 60 | 68 | -3 | 0 |
| 2026-05-15 | 79 | 53 | 66 | -5 | 0 |
| 2026-05-16 | 87 | 60 | 74 | 2 | 0 |
| 2026-05-17 | 90 | 68 | 79 | 8 | 0 |
| 2026-05-18 | 87 | 65 | 76 | 4 | 0 |
| 2026-05-19 | 88 | 67 | 78 | 6 | 0 |
| 2026-05-20 | 91 | 70 | 81 | 8 | 0 |
| 2026-05-21 | 89 | 72 | 81 | 8 | 0 |
| 2026-05-22 | 88 | 70 | 79 | 6 | 0 |
| 2026-05-23 | 85 | 69 | 77 | 4 | 0 |
| 2026-05-24 | 84 | 70 | 77 | 4 | 1 |
| 2026-05-25 | 80 | 69 | 75 | 1 | 1 |
| 2026-05-26 | 82 | 70 | 76 | 2 | 1 |
| 2026-05-27 | 85 | 71 | 78 | 4 | 0 |
| 2026-05-28 | 88 | 72 | 80 | 6 | 0 |
| 2026-05-29 | 84 | 71 | 78 | 3 | 1 |
| 2026-05-30 | 85 | 70 | 78 | 3 | 0 |
| 2026-05-31 | 75 | 65 | 70 | -5 | T |
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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