Marietta, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marietta, a town in Cass County, Texas.
Today
97°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 104. South wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Marietta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 21% |
| Tonight | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 21% |
| Wednesday | 97°F | Sunny | 0 to 5 mph S | 10% |
| Wednesday Night | 76°F | Partly Cloudy | 0 to 5 mph S | 8% |
| Thursday | 97°F | Mostly Sunny | 5 mph S | 7% |
| Thursday Night | 75°F | Partly Cloudy | 0 to 5 mph SE | 7% |
| Friday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 17% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 17% |
| Saturday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 17% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 17% |
| Sunday | 95°F | Sunny | 0 to 5 mph S | 6% |
| Sunday Night | 74°F | Partly Cloudy | 0 to 5 mph S | 6% |
| Monday | 95°F | Mostly Sunny | 0 to 5 mph S | 11% |
| Monday Night | 75°F | Partly Cloudy | 5 mph S | 11% |
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 Aug 4, 2026.