Sachse, TX Weather & Growing Conditions
Today
99°F
Mostly Sunny
Mostly sunny, with a high near 99. Heat index values as high as 103. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Tonight | 76°F | Mostly Clear | 5 to 10 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 to 10 mph S | 13% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms | 5 mph S | 43% |
| Monday | 96°F | Chance Showers And Thunderstorms | 5 mph W | 43% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NNE | 19% |
| Tuesday | 92°F | Mostly Sunny | 10 mph NNE | 11% |
| Tuesday Night | 69°F | Partly Cloudy | 5 to 10 mph NE | 9% |
| Wednesday | 92°F | Mostly Sunny | 5 to 10 mph ENE | 8% |
| Wednesday Night | 69°F | Partly Cloudy | 5 mph ENE | 2% |
| Thursday | 92°F | Mostly Sunny | 5 mph E | 3% |
| Thursday Night | 70°F | Partly Cloudy | 5 mph E | 1% |
| Friday | 92°F | Mostly Sunny | 5 mph E | 3% |
| Friday Night | 70°F | Partly Cloudy | 5 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sachse, TX
Last spring frost
Mar 10
First fall frost
Nov 19
Growing season
254 days
Hardiness zone
8b
Explore more for Sachse, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Lavon Dam, Tx (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.