Plano, TX Weather & Growing Conditions
This Afternoon
74°F
Mostly Sunny
Mostly sunny. High near 74, with temperatures falling to around 70 in the afternoon. Northwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 15 mph NW | 0% |
| Tonight | 51°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 51°F | Partly Cloudy then Patchy Fog | 0 to 5 mph SSE | 0% |
| Thursday | 76°F | Sunny | 5 to 10 mph SSW | 12% |
| Thursday Night | 50°F | Partly Cloudy | 5 to 10 mph NNW | 13% |
| Friday | 70°F | Sunny | 10 mph N | 0% |
| Friday Night | 46°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 46°F | Partly Cloudy | 0 to 5 mph N | 5% |
| Sunday | 69°F | Sunny | 0 to 5 mph NNW | 2% |
| Sunday Night | 45°F | Clear | 0 to 5 mph ENE | 1% |
| Monday | 72°F | Sunny | 0 to 5 mph S | 1% |
| Monday Night | 48°F | Mostly Clear | 0 to 5 mph S | 0% |
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 (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.