Marietta, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marietta, a town in Cass County, Texas.
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 102. Southeast wind around 5 mph.
7-day forecast for Marietta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 5 mph SE | 0% |
| Tonight | 70°F | Clear | 0 to 5 mph S | 0% |
| Saturday | 99°F | Sunny | 0 to 5 mph S | 0% |
| Saturday Night | 72°F | Clear | 0 to 5 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 74°F | Partly Cloudy | 0 to 5 mph S | 11% |
| Monday | 98°F | Mostly Sunny | 0 to 5 mph SW | 14% |
| Monday Night | 72°F | Partly Cloudy | 0 mph | 14% |
| Tuesday | 96°F | Mostly Sunny | 0 to 5 mph N | 10% |
| Tuesday Night | 70°F | Partly Cloudy | 5 mph NE | 10% |
| Wednesday | 93°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 68°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 92°F | Sunny | 5 to 10 mph NE | 2% |
| Thursday Night | 67°F | Mostly Clear | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Marietta (33.174, -94.543). Updated through the day.
Growing snapshot for Marietta
Last spring frost
Mar 26
First fall frost
Nov 6
Growing season
225 days
Hardiness zone
8b
More local growing data for Marietta: nearby ZIP 75568 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Atlanta
Avinger
Bivins
Bloomburg
Domino
Douglassville
Hughes Springs
Linden
McLeod
Naples
Queen City
Climate data from the nearest NOAA station, Dekalb, Tx (19.9 mi from Marietta). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.