Harman US

Rockwall, TX Weather & Growing Conditions

Today
101°F
Sunny
Sunny, with a high near 101. Heat index values as high as 103. South wind 5 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 101°F Sunny 5 to 10 mph S 0%
Tonight 77°F Mostly Clear 5 to 10 mph SSE 0%
Wednesday 100°F Sunny 5 to 10 mph SSW 0%
Wednesday Night 77°F Mostly Clear 10 mph S 0%
Thursday 101°F Sunny 10 mph S 1%
Thursday Night 77°F Mostly Clear 10 mph SSE 1%
Friday 97°F Sunny 5 to 10 mph S 9%
Friday Night 76°F Mostly Clear 5 to 10 mph SSE 9%
Saturday 97°F Sunny 5 to 10 mph S 9%
Saturday Night 76°F Mostly Clear 5 to 10 mph SSE 9%
Sunday 98°F Sunny 5 to 10 mph S 5%
Sunday Night 76°F Mostly Clear 10 mph SSE 5%
Monday 98°F Sunny 10 to 15 mph S 6%
Monday Night 76°F Mostly Clear 10 to 15 mph S 6%

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

Growing snapshot for Rockwall, TX

Last spring frost
Mar 10
First fall frost
Nov 19
Growing season
254 days
Hardiness zone
8b

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

Climate data from the nearest NOAA station, Lavon Dam, Tx (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.