Marietta, GA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Marietta now
Loading the National Weather Service forecast…
Marietta weather by the hour
Marietta weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Marietta.
This week in Marietta
Sunrise, sunset and moon in Marietta
What is the weather usually like in Marietta?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 31°F average low
- 56.2 inprecipitation per year · 1,427 mm
- 1.2 insnowfall per year · 3 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Marietta: April–May and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MABLETON 1 N, GA US (USC00095404), adjusted for the elevation of Marietta.
Marietta weather month by month
Sunrise and sunset in Marietta through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:41 AM | 5:53 PM | 10 h 11 min |
| February | 7:21 AM | 6:23 PM | 11 h 2 min |
| March | 7:46 AM | 7:47 PM | 12 h 0 min |
| April | 7:05 AM | 8:10 PM | 13 h 5 min |
| May | 6:35 AM | 8:33 PM | 13 h 58 min |
| June | 6:25 AM | 8:52 PM | 14 h 27 min |
| July | 6:37 AM | 8:51 PM | 14 h 14 min |
| August | 6:58 AM | 8:26 PM | 13 h 27 min |
| September | 7:20 AM | 7:46 PM | 12 h 25 min |
| October | 7:42 AM | 7:05 PM | 11 h 23 min |
| November | 7:09 AM | 5:36 PM | 10 h 26 min |
| December | 7:34 AM | 5:32 PM | 9 h 57 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Marietta?
Marietta has a humid subtropical climate. The warmest month is July, with an average high of 83°F (29°C), and the coldest is January, with average lows of 31°F (-1°C).
It gets about 56.2 inches (1,427 mm) of precipitation a year. The wettest month is July and the driest is September. Snow is common: about 1 inches fall in an average year.
The best time to visit Marietta is April–May and September–October. At 1,129 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Marietta
Weather in towns near Marietta
Questions about the weather in Marietta
What is the hottest month in Marietta?
July, with an average high of 83°F (29°C).
What is the coldest month in Marietta?
January, with an average low of 31°F (-1°C).
How much does it rain in Marietta?
About 56.2 inches (1,427 mm) a year; the wettest month is July.
Does it snow in Marietta?
Yes, about 1 inches of snow fall in an average year.
When is the best time to visit Marietta?
April–May and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Marietta have?
Humid subtropical (Köppen Cfa).
What is the weather like in Marietta in November?
Highs average 62°F and lows 39°F, with about 4.5 inches of precipitation.
What time is sunrise in Marietta?
Around 7:09 AM in mid-November, and sunset around 5:36 PM. Today’s exact times are shown above.
Where does this Marietta weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Marietta.
Last updated: