Marietta, GA Weather Forecast
Cobb County, Georgia
Live radar, warnings and storm tracking for Marietta, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in overnight
It is 56° with a dew point of 52°, which is comfortable for this time of year. The sky is mostly sunny.
Pressure is easing down, 0.02 inHg over the last hour. The wind turns to the west-northwest around 8 AM. The first rain arrives between 3 AM and 4 AM. That leaves a usable window outdoors until about 3 AM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
One wet spell, dry either side of it
There is one wet stretch in the window, near 3 AM. Total accumulation over the window comes to about 0.02 in.
It tapers off after 4 AM. The overnight low settles near 52°. Tomorrow reaches 61°, 6° warmer than today. It also gets muggier, so tomorrow will feel warmer than the number on its own suggests.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
31–67°F across the weekThe week runs between 31° and 61°, with tomorrow the warmest day of it. There is no real trend across it: one day looks much like the next. Tomorrow is the wettest day, peaking near 39%. 6 of the 7 days stay dry.
Free alerts for Marietta
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Marietta, GA at a glance
Marietta is home to about 62,769 people in Cobb County, across 24 square miles. It ranks 14th by population of 218 places in Georgia with a forecast here. The nearest neighbour with its own forecast is Smyrna, 6 miles away.
- County
- Cobb County
- Population
- 62,769 2023 est.
- Land area
- 24 sq mi
- People per sq mi
- 2,670
- Forecast point
- 33.9536°N, 84.5425°W
How well can the network see Marietta?
The nearest Doppler radar is KFFC (Atlanta, GA), to the S. Its lowest scan passes about 2,700 ft above Marietta. Close enough to see rotation in the low part of a storm, where tornadoes form. Marietta is closer to its radar than 55% of US cities.
The closest weather station is KMGE (Marietta/Dobbins AFB). Close enough that its readings are the conditions in town.
Forecasts near Marietta
- Smyrna, GA6 mi
- Kennesaw, GA7 mi
- Sandy Springs, GA10 mi
- Powder Springs, GA10 mi
- Woodstock, GA10 mi
- Acworth, GA11 mi
- Austell, GA11 mi
- Roswell, GA12 mi
Elsewhere in Georgia
AtlantaColumbusAugustaMacon-Bibb CountySavannahAthensAll Georgia forecasts →

