Marietta, TX Weather & Growing Conditions
Today
98°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 98. Heat index values as high as 104. South wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 21% |
| Tonight | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 21% |
| Wednesday | 98°F | Sunny | 0 to 5 mph S | 11% |
| Wednesday Night | 76°F | Partly Cloudy | 0 to 5 mph S | 9% |
| Thursday | 98°F | Mostly Sunny | 5 mph S | 8% |
| Thursday Night | 75°F | Partly Cloudy | 0 to 5 mph S | 8% |
| 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 | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 18% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 18% |
| Sunday | 95°F | Mostly Sunny | 0 to 5 mph S | 6% |
| Sunday Night | 75°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). Updated through the day.
Growing snapshot for Marietta, TX
Last spring frost
Mar 19
First fall frost
Nov 11
Growing season
237 days
Hardiness zone
8b
Explore more for Marietta, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Atlanta, Tx (18.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.