Plano, TX Weather & Growing Conditions
Overnight
77°F
Clear
Clear. Low around 77, with temperatures rising to around 79 overnight. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 77°F | Clear | 5 mph S | 0% |
| Saturday | 99°F | Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 77°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 to 10 mph S | 9% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms | 5 mph S | 47% |
| Monday | 94°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph SW | 47% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph ENE | 18% |
| Tuesday | 93°F | Mostly Sunny | 10 mph NNE | 12% |
| Tuesday Night | 72°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 93°F | Mostly Sunny | 5 to 10 mph ENE | 7% |
| Wednesday Night | 72°F | Partly Cloudy | 5 to 10 mph ENE | 3% |
| Thursday | 93°F | Mostly Sunny | 5 to 10 mph E | 5% |
| Thursday Night | 72°F | Partly Cloudy | 5 to 10 mph E | 5% |
| Friday | 92°F | Mostly Sunny | 5 to 10 mph E | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plano, TX
Last spring frost
Mar 7
First fall frost
Nov 21
Growing season
259 days
Hardiness zone
8b
Explore more for Plano, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Richardson, Tx (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.