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Plano, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Plano, a city in Collin County, Texas.

Tonight
54°F
Mostly Clear
Mostly clear. Low around 54, with temperatures rising to around 56 overnight. South southeast wind around 5 mph.

7-day forecast for Plano

WhenTempForecastWindPrecip
Tonight 54°F Mostly Clear 5 mph SSE 0%
Thursday 76°F Sunny 5 to 10 mph SSE 1%
Thursday Night 53°F Partly Cloudy 5 to 10 mph ENE 13%
Friday 68°F Mostly Sunny 10 mph N 1%
Friday Night 49°F Partly Cloudy 5 to 10 mph NNE 0%
Saturday 66°F Mostly Cloudy 5 mph NNE 2%
Saturday Night 48°F Mostly Cloudy 5 mph NNE 4%
Sunday 65°F Partly Sunny 0 to 5 mph N 2%
Sunday Night 47°F Partly Cloudy 0 mph 3%
Monday 67°F Sunny then Slight Chance Rain Showers 0 mph 15%
Monday Night 48°F Mostly Clear 0 mph 4%
Tuesday 71°F Sunny 0 to 5 mph SSW 3%
Tuesday Night 51°F Mostly Clear 0 to 5 mph SSE 2%
Veterans Day 74°F Mostly Sunny 0 to 5 mph S 2%

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 5, 2026.