Rockwall, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockwall, a city in Rockwall County, Texas.
Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 103. South wind 5 to 10 mph.
7-day forecast for Rockwall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 74°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 100°F | Mostly Sunny | 5 to 10 mph S | 9% |
| Sunday Night | 74°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SSE | 40% |
| Monday | 97°F | Chance Showers And Thunderstorms | 5 mph WSW | 40% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NNE | 19% |
| Tuesday | 94°F | Mostly Sunny | 10 mph NNE | 11% |
| Tuesday Night | 69°F | Partly Cloudy | 10 mph NE | 10% |
| Wednesday | 94°F | Mostly Sunny | 10 mph ENE | 8% |
| Wednesday Night | 69°F | Partly Cloudy | 5 to 10 mph ENE | 3% |
| Thursday | 93°F | Mostly Sunny | 5 to 10 mph E | 2% |
| Thursday Night | 69°F | Partly Cloudy | 5 to 10 mph E | 1% |
| Friday | 93°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Friday Night | 69°F | Partly Cloudy | 5 to 10 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Rockwall (32.918, -96.438). Updated through the day.
Growing snapshot for Rockwall
Last spring frost
Mar 10
First fall frost
Nov 19
Growing season
254 days
Hardiness zone
8b
More local growing data for Rockwall: nearby ZIP 75087 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lavon Dam, Tx (6.5 mi from Rockwall). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.