Weather in Marietta: August
| Average day temperature: | 86.0°F | |
| Average night temperature: | 73.6°F | |
| Number of sunny days: | 9 days | |
| Day length: | 12.9 - 13.8 hours | |
| Number of rainy days: | 4 days | |
| Precipitation totals: | 1.5 in. | |
| more information | ||
14 days
forecast
forecast
| Marietta |
weather in
September
September
| Marietta |
Air temperature in August, °F
Show year:
2025
2024
2023
The highest day temperature during August of 2025 was 91°F. At the same time the lowest night temperature was 63°F. Daily and nightly averages during August were 81.8°F and 72.1°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in August is almost equal.
Precipitation total in August, in.
Precipitation total value in Marietta in August is 1.5 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 5.1 mph It makes August one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.3.
Best time for vacation in Marietta
Marietta on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marietta
Local time: 05:58
August 16, sunday
0600

79°F
E
6 mph
6 mph
0900

82°F
SE
8 mph
8 mph
1200

93°F
SE
7 mph
7 mph
1500

100°F
SE
8 mph
8 mph
1800

99°F
E
9 mph
9 mph
2100

91°F
E
6 mph
6 mph
August 17, monday
0000

86°F
SE
6 mph
6 mph
0300

84°F
E
5 mph
5 mph




























