City of Marietta Weather Forecast

Local 7-day forecast

89°
F

Areas Of Fog then Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for City of Marietta in one place.

Wednesday, September 16, 2026
Wind: 2 mph S
Wednesday

Areas of fog before 9am. Mostly sunny, with a high near 89. South wind around 2 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for City of Marietta is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 8:50 AM EDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of Marietta.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 21, 2026
Latest sync
Sep 15, 2026 8:50 AM EDT
Forecast office
RLX
Source
NOAA / NWS
Next High
89°F
Wednesday
Next Low
68°F
Wednesday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
9 mph
Sunday

Daily Outlook

Today
Sep 16
Areas Of Fog then Mostly Sunny
89 °F
/ 68°F
Wind 2 mph
Thu
Sep 17
Slight Chance Showers And Thunderstorms
88 °F
/ 69°F
Wind 0 to 5 mph
Fri
Sep 18
Showers And Thunderstorms Likely
82 °F
/ 64°F
Wind 2 to 6 mph
Sat
Sep 19
Mostly Sunny
85 °F
/ 68°F
Wind 5 mph
Sun
Sep 20
Chance Rain Showers
84 °F
/ 64°F
Wind 9 mph
Mon
Sep 21
Chance Rain Showers
77 °F
/ 59°F
Wind 6 to 9 mph

This Week in City of Marietta

Wednesday looks like the warmest upcoming period in City of Marietta at 89 degrees F.

Monday Night is the coolest period ahead with temperatures near 59 degrees F.

The strongest winds are forecast for Sunday at about 9 mph SW.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 8:50 AM EDT
Coverage
6 days
Time zone
America/New_York
Forecast office
RLX
Radar station
KRLX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night
Sep 16
68°F
Slight Chance Showers And Thunderstorms
1 mph S

A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 68. South wind around 1 mph. Chance of precipitation is 20%.

Thursday
Sep 17
88°F
Slight Chance Showers And Thunderstorms
0 to 5 mph SW

A slight chance of rain showers between 8am and 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind 0 to 5 mph. Chance of precipitation is 50%.

Thursday Night
Sep 17
69°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
0 to 3 mph NW

A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Friday
Sep 18
82°F
Showers And Thunderstorms Likely
2 to 6 mph N

Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.

Friday Night
Sep 18
64°F
Slight Chance Rain Showers then Partly Cloudy
2 to 6 mph NE

A slight chance of rain showers before 8pm. Partly cloudy, with a low around 64.

Saturday
Sep 19
85°F
Mostly Sunny
5 mph S

Mostly sunny, with a high near 85.

Saturday Night
Sep 19
68°F
Chance Rain Showers
2 to 8 mph S

A chance of rain showers after 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Sunday
Sep 20
84°F
Chance Rain Showers
9 mph SW

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.

Sunday Night
Sep 20
64°F
Chance Showers And Thunderstorms
3 to 7 mph N

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Monday
Sep 21
77°F
Chance Rain Showers
6 to 9 mph N

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 50%.

Monday Night
Sep 21
59°F
Chance Showers And Thunderstorms
6 to 9 mph N

A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Areas Of Fog then Mostly Sunny
89°F
2 mph
S
Wednesday Night
Sep 16
Slight Chance Showers And Thunderstorms
68°F
1 mph
S
Thursday
Sep 17
Slight Chance Showers And Thunderstorms
88°F
0 to 5 mph
SW
Thursday Night
Sep 17
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
69°F
0 to 3 mph
NW
Friday
Sep 18
Showers And Thunderstorms Likely
82°F
2 to 6 mph
N
Friday Night
Sep 18
Slight Chance Rain Showers then Partly Cloudy
64°F
2 to 6 mph
NE
Saturday
Sep 19
Mostly Sunny
85°F
5 mph
S
Saturday Night
Sep 19
Chance Rain Showers
68°F
2 to 8 mph
S
Sunday
Sep 20
Chance Rain Showers
84°F
9 mph
SW
Sunday Night
Sep 20
Chance Showers And Thunderstorms
64°F
3 to 7 mph
N
Monday
Sep 21
Chance Rain Showers
77°F
6 to 9 mph
N
Monday Night
Sep 21
Chance Showers And Thunderstorms
59°F
6 to 9 mph
N
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.