Westminster, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westminster, a community in Collin County, Texas.
This Afternoon
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 68 in the afternoon. Northwest wind around 15 mph, with gusts as high as 30 mph.
7-day forecast for Westminster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 15 mph NW | 1% |
| Tonight | 50°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Wednesday | 69°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 49°F | Patchy Fog | 0 mph | 0% |
| Thursday | 74°F | Mostly Sunny | 5 to 10 mph SSW | 11% |
| Thursday Night | 49°F | Partly Cloudy | 5 to 10 mph NNW | 13% |
| Friday | 69°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 47°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 45°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Sunday | 68°F | Sunny | 5 to 10 mph N | 4% |
| Sunday Night | 44°F | Mostly Clear | 0 to 5 mph NNW | 1% |
| Monday | 70°F | Sunny | 0 to 5 mph SW | 1% |
| Monday Night | 47°F | Mostly Clear | 0 to 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Westminster (33.365, -96.459). Updated through the day.
Growing snapshot for Westminster
Last spring frost
Mar 17
First fall frost
Nov 15
Growing season
241 days
Hardiness zone
8b
More local growing data for Westminster: nearby ZIP 75409 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Mckinney Municipal Airport, Tx (12.2 mi from Westminster). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.