Harman US

Van Alstyne, TX Weather & Growing Conditions

Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. Northwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 50°F Mostly Clear 5 mph NW 0%
Wednesday 70°F Mostly Sunny 0 to 5 mph NW 0%
Wednesday Night 51°F Patchy Fog 0 mph 0%
Thursday 74°F Sunny 0 to 10 mph S 0%
Thursday Night 51°F Mostly Cloudy 0 to 10 mph N 8%
Friday 67°F Sunny 10 mph N 0%
Friday Night 46°F Partly Cloudy 5 mph NNE 0%
Saturday 64°F Mostly Sunny 5 mph NNE 1%
Saturday Night 45°F Slight Chance Rain Showers 0 to 5 mph N 15%
Sunday 66°F Mostly Sunny 0 to 5 mph N 2%
Sunday Night 43°F Mostly Clear 0 mph 0%
Monday 68°F Sunny 0 to 5 mph SSW 2%
Monday Night 45°F Mostly Clear 0 mph 2%
Tuesday 71°F Sunny 0 to 5 mph S 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Van Alstyne, TX

Last spring frost
Mar 17
First fall frost
Nov 15
Growing season
241 days
Hardiness zone
8a

Explore more for Van Alstyne, TX: full frost dates · planting calendar · Texas frost dates

Climate data from the nearest NOAA station, Mckinney Municipal Airport, Tx (17.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.