Richardson, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Richardson, a city in Dallas County, Texas.
This Afternoon
100°F
Sunny
Sunny. High near 100, with temperatures falling to around 98 in the afternoon. Heat index values as high as 100. South southeast wind around 5 mph.
7-day forecast for Richardson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Sunny | 5 mph SSE | 0% |
| Tonight | 77°F | Clear | 5 mph S | 0% |
| Saturday | 100°F | Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 78°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 100°F | Mostly Sunny | 5 to 10 mph S | 7% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms | 5 mph S | 44% |
| Monday | 95°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph WSW | 44% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph ENE | 18% |
| Tuesday | 94°F | Mostly Sunny | 5 to 10 mph NNE | 12% |
| Tuesday Night | 73°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 94°F | Mostly Sunny | 10 mph ENE | 7% |
| Wednesday Night | 73°F | Partly Cloudy | 5 to 10 mph ENE | 4% |
| Thursday | 94°F | Mostly Sunny | 5 to 10 mph ENE | 5% |
| Thursday Night | 73°F | Partly Cloudy | 5 to 10 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov) for Richardson (32.972, -96.708). Updated through the day.
Growing snapshot for Richardson
Last spring frost
Mar 7
First fall frost
Nov 21
Growing season
259 days
Hardiness zone
8b
More local growing data for Richardson: nearby ZIP 75081 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Richardson, Tx (3.8 mi from Richardson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.