Plano, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plano, a city in Collin County, Texas.
This Afternoon
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 70 in the afternoon. Northwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Plano
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 15 mph NW | 0% |
| Tonight | 53°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Wednesday | 71°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 53°F | Partly Cloudy then Patchy Fog | 0 to 5 mph SSE | 0% |
| Thursday | 76°F | Mostly Sunny | 5 to 10 mph SSW | 12% |
| Thursday Night | 52°F | Partly Cloudy | 5 to 10 mph NNW | 13% |
| Friday | 70°F | Sunny | 10 mph N | 0% |
| Friday Night | 48°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 47°F | Partly Cloudy | 0 to 5 mph N | 5% |
| Sunday | 68°F | Sunny | 5 mph NNW | 2% |
| Sunday Night | 47°F | Clear | 0 to 5 mph E | 1% |
| Monday | 71°F | Sunny | 0 to 5 mph S | 1% |
| Monday Night | 50°F | Mostly Clear | 5 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Plano (33.051, -96.748). Updated through the day.
Growing snapshot for Plano
Last spring frost
Mar 7
First fall frost
Nov 21
Growing season
259 days
Hardiness zone
8b
More local growing data for Plano: nearby ZIP 75023 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Richardson, Tx (4.2 mi from Plano). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.