Harman US

Princeton, TX Weather & Growing Conditions

Today
101°F
Sunny
Sunny, with a high near 101. Heat index values as high as 104. South wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 101°F Sunny 10 mph S 1%
Tonight 78°F Mostly Clear 5 to 10 mph SSE 1%
Wednesday 100°F Sunny 5 to 10 mph SSW 1%
Wednesday Night 78°F Mostly Clear 10 mph SSE 0%
Thursday 99°F Sunny 10 mph S 1%
Thursday Night 78°F Mostly Clear 10 mph SSE 2%
Friday 99°F Sunny 5 to 10 mph S 10%
Friday Night 77°F Mostly Clear 5 to 10 mph SSE 10%
Saturday 96°F Sunny 5 mph S 9%
Saturday Night 77°F Mostly Clear 5 to 10 mph SSE 9%
Sunday 97°F Sunny 5 to 10 mph S 5%
Sunday Night 77°F Mostly Clear 10 mph SSE 5%
Monday 97°F Sunny 10 to 15 mph S 5%
Monday Night 77°F Mostly Clear 10 mph S 5%

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

Growing snapshot for Princeton, TX

Last spring frost
Mar 18
First fall frost
Nov 11
Growing season
239 days
Hardiness zone
8b

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

Climate data from the nearest NOAA station, Mckinney Muni Ap, Tx (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.