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Marietta, GA Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Marietta, Cobb County, Georgia.

Updated Jul 29, 2026, 5:06 PM local time · Radar refreshes every 5 minutes

☀️
Marietta
Clear
89°F
Feels like 93°F
Wind 8 mph
Humidity 48%
Cloud cover 0%
UV index 8
Alerts 0

Active alerts

No active National Weather Service alerts for Marietta, GA.

Marietta weather radar

Light Heavy

Next 24 hours

Now
☀️
89°F
1%
6 PM
☀️
89°F
1%
7 PM
☀️
89°F
 
8 PM
☀️
85°F
 
9 PM
☀️
81°F
 
10 PM
☀️
79°F
 
11 PM
☀️
76°F
 
12 AM
☀️
75°F
 
1 AM
☀️
74°F
 
2 AM
☀️
73°F
 
3 AM
☀️
72°F
 
4 AM
☀️
71°F
 
5 AM
☀️
70°F
 
6 AM
☀️
69°F
 
7 AM
☀️
69°F
 
8 AM
☀️
71°F
 
9 AM
☀️
73°F
 
10 AM
☀️
76°F
 
11 AM
☀️
78°F
 
12 PM
☀️
82°F
 
1 PM
☀️
85°F
 
2 PM
☀️
87°F
 
3 PM
☀️
88°F
 
4 PM
☀️
89°F
 

7-day forecast

Today
Jul 29
☁️
89°F
74°F
49%
Thu
Jul 30
☁️
89°F
69°F
Fri
Jul 31
☁️
94°F
66°F
1%
Sat
Aug 1
⛈️
82°F
68°F
63%
Sun
Aug 2
⛈️
82°F
71°F
81%
Mon
Aug 3
🌦️
82°F
71°F
57%
Tue
Aug 4
🌦️
81°F
70°F
43%

Weather near Marietta

5 mi Smyrna, GA6 mi Kennesaw, GA9 mi Mableton, GA10 mi Sandy Springs, GA10 mi Woodstock, GA11 mi Acworth, GA12 mi Roswell, GA12 mi Dunwoody, GA
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.