Dallas, TX Weather & Growing Conditions
Today
99°F
Mostly Sunny
Mostly sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 102. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Tonight | 79°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 100°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms | 5 mph S | 44% |
| Monday | 96°F | Chance Showers And Thunderstorms | 5 mph W | 44% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NNE | 18% |
| Tuesday | 92°F | Mostly Sunny | 10 mph NNE | 11% |
| Tuesday Night | 71°F | Partly Cloudy | 10 mph NE | 8% |
| Wednesday | 92°F | Mostly Sunny | 5 to 10 mph ENE | 7% |
| Wednesday Night | 72°F | Partly Cloudy | 5 to 10 mph E | 2% |
| Thursday | 93°F | Mostly Sunny | 5 to 10 mph E | 4% |
| Thursday Night | 73°F | Partly Cloudy | 5 to 10 mph E | 1% |
| Friday | 93°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Friday Night | 73°F | Partly Cloudy | 5 to 10 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dallas, TX
Last spring frost
Mar 7
First fall frost
Nov 21
Growing season
259 days
Hardiness zone
8b
Explore more for Dallas, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Richardson, Tx (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.