Addison, TX Weather & Growing Conditions
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 100. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 5 mph SE | 0% |
| Tonight | 78°F | Clear | 5 to 10 mph SSE | 0% |
| Saturday | 99°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 79°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 to 10 mph S | 8% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 46% |
| Monday | 94°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph WSW | 46% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph ENE | 18% |
| Tuesday | 92°F | Mostly Sunny | 10 mph NNE | 12% |
| Tuesday Night | 74°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 93°F | Mostly Sunny | 5 to 10 mph ENE | 7% |
| Wednesday Night | 74°F | Partly Cloudy | 5 to 10 mph ENE | 4% |
| Thursday | 93°F | Mostly Sunny | 5 to 10 mph ENE | 5% |
| Thursday Night | 74°F | Partly Cloudy | 5 to 10 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Addison, TX
Last spring frost
Mar 7
First fall frost
Nov 21
Growing season
259 days
Hardiness zone
8b
Explore more for Addison, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Richardson, Tx (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.