Rowlett, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rowlett, a city in Dallas County, Texas.
Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 104. South wind 5 to 10 mph.
7-day forecast for Rowlett
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 77°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 100°F | Mostly Sunny | 5 to 10 mph S | 11% |
| Sunday Night | 76°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SSE | 42% |
| Monday | 97°F | Chance Showers And Thunderstorms | 5 mph W | 42% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NNE | 19% |
| Tuesday | 93°F | Mostly Sunny | 10 mph NNE | 11% |
| Tuesday Night | 72°F | Partly Cloudy | 10 mph NE | 9% |
| Wednesday | 94°F | Sunny | 5 to 10 mph ENE | 8% |
| Wednesday Night | 71°F | Partly Cloudy | 5 to 10 mph ENE | 2% |
| Thursday | 94°F | Mostly Sunny | 5 mph E | 2% |
| Thursday Night | 71°F | Partly Cloudy | 5 mph E | 1% |
| Friday | 93°F | Mostly Sunny | 5 mph E | 3% |
| Friday Night | 71°F | Partly Cloudy | 5 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Rowlett (32.916, -96.549). Updated through the day.
Growing snapshot for Rowlett
Last spring frost
Mar 10
First fall frost
Nov 19
Growing season
254 days
Hardiness zone
8b
More local growing data for Rowlett: nearby ZIP 75089 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Lavon Dam, Tx (7.5 mi from Rowlett). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.