Harman US

Grand Prairie, TX Weather & Growing Conditions

This Afternoon
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 102. South wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 100°F Sunny 10 mph S 0%
Tonight 78°F Mostly Clear 5 to 10 mph SSE 0%
Wednesday 100°F Sunny 10 mph SSW 2%
Wednesday Night 78°F Mostly Clear 5 to 10 mph S 2%
Thursday 100°F Sunny 10 mph S 1%
Thursday Night 78°F Mostly Clear 5 to 10 mph SSE 1%
Friday 100°F Sunny 5 mph SSE 9%
Friday Night 77°F Mostly Clear 5 to 10 mph SSE 9%
Saturday 98°F Sunny 5 mph S 7%
Saturday Night 77°F Mostly Clear 5 to 10 mph SSE 7%
Sunday 98°F Sunny 5 to 10 mph S 5%
Sunday Night 77°F Mostly Clear 10 mph SSE 5%
Monday 98°F Sunny 10 mph S 6%
Monday Night 77°F Mostly Clear 10 mph S 6%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Grand Prairie, TX

Last spring frost
Mar 20
First fall frost
Nov 13
Growing season
236 days
Hardiness zone
8b

Explore more for Grand Prairie, TX: full frost dates · planting calendar · Texas frost dates

Climate data from the nearest NOAA station, Joe Pool Lake, Tx (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.