Grand Saline, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Saline, a city in Van Zandt County, Texas.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 100. South wind 0 to 5 mph.
7-day forecast for Grand Saline
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 0 to 5 mph S | 0% |
| Tonight | 75°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Wednesday | 100°F | Sunny | 0 to 5 mph SSW | 0% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 5 mph S | 0% |
| Thursday | 100°F | Sunny | 5 mph S | 3% |
| Thursday Night | 76°F | Mostly Clear | 0 mph | 3% |
| Friday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 17% |
| Friday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SSE | 17% |
| Saturday | 97°F | Sunny | 0 to 5 mph S | 11% |
| Saturday Night | 75°F | Mostly Clear | 0 mph | 11% |
| Sunday | 97°F | Sunny | 0 to 5 mph S | 9% |
| Sunday Night | 75°F | Mostly Clear | 0 to 5 mph SSE | 9% |
| Monday | 97°F | Sunny | 0 to 5 mph S | 9% |
| Monday Night | 75°F | Mostly Clear | 5 mph S | 9% |
Forecast source: National Weather Service (api.weather.gov) for Grand Saline (32.678, -95.712). Updated through the day.
Growing snapshot for Grand Saline
Last spring frost
Mar 20
First fall frost
Nov 11
Growing season
235 days
Hardiness zone
8b
More local growing data for Grand Saline: nearby ZIP 75140 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mineola, Tx (11.9 mi from Grand Saline). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.