Marietta, TX Weather & Growing Conditions
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 103. South wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast
| 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 | 5 mph S | 8% |
| Wednesday Night | 76°F | Partly Cloudy | 5 mph S | 7% |
| Thursday | 97°F | Mostly Sunny | 5 mph S | 7% |
| Thursday Night | 75°F | Partly Cloudy | 5 mph S | 7% |
| Friday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 18% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 18% |
| Saturday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 17% |
| Saturday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 17% |
| Sunday | 95°F | Sunny | 0 to 5 mph S | 5% |
| Sunday Night | 74°F | Partly Cloudy | 0 to 5 mph S | 5% |
| 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 26
First fall frost
Nov 6
Growing season
225 days
Hardiness zone
8b
Explore more for Marietta, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Dekalb, Tx (19.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.