Arlington, TX Weather & Growing Conditions
Tonight
76°F
Mostly Clear
Mostly clear. Low around 76, with temperatures rising to around 78 overnight. Heat index values as high as 98. South southeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 76°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Saturday | 99°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 77°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 to 10 mph S | 8% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms | 5 mph S | 43% |
| Monday | 95°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph W | 43% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph ENE | 18% |
| Tuesday | 93°F | Mostly Sunny | 5 to 10 mph NE | 14% |
| Tuesday Night | 73°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 94°F | Mostly Sunny | 5 to 10 mph ENE | 5% |
| Wednesday Night | 73°F | Partly Cloudy | 5 to 10 mph ENE | 5% |
| Thursday | 94°F | Mostly Sunny | 5 to 10 mph E | 5% |
| Thursday Night | 73°F | Partly Cloudy | 5 to 10 mph E | 5% |
| Friday | 93°F | Mostly Sunny | 5 to 10 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arlington, TX
Last spring frost
Mar 9
First fall frost
Nov 21
Growing season
256 days
Hardiness zone
8b
Explore more for Arlington, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Arlington Muni Ap, Tx (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.