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Thornton, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Thornton, a town in Limestone County, Texas.

Overnight
70°F
Mostly Clear
Mostly clear. Low around 70, with temperatures rising to around 72 overnight. South wind around 5 mph.

7-day forecast for Thornton

WhenTempForecastWindPrecip
Overnight 70°F Mostly Clear 5 mph S 0%
Saturday 97°F Sunny 5 to 10 mph S 0%
Saturday Night 71°F Mostly Clear 5 to 10 mph SSE 0%
Sunday 98°F Mostly Sunny 0 to 5 mph S 1%
Sunday Night 73°F Mostly Cloudy 5 mph S 4%
Monday 97°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph S 22%
Monday Night 72°F Slight Chance Showers And Thunderstorms 0 to 5 mph ESE 22%
Tuesday 95°F Mostly Sunny 0 to 5 mph NE 12%
Tuesday Night 72°F Partly Cloudy 0 to 5 mph NE 12%
Wednesday 94°F Mostly Sunny 5 mph NE 10%
Wednesday Night 71°F Partly Cloudy 0 to 5 mph ENE 5%
Thursday 94°F Mostly Sunny 5 mph ENE 2%
Thursday Night 69°F Partly Cloudy 0 to 5 mph E 2%
Friday 93°F Mostly Sunny 0 to 5 mph ENE 3%

Forecast source: National Weather Service (api.weather.gov) for Thornton (31.410, -96.574). Updated through the day.

Growing snapshot for Thornton

Last spring frost
Mar 13
First fall frost
Nov 22
Growing season
251 days
Hardiness zone
8b

More local growing data for Thornton: nearby ZIP 76687 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Mexia, Tx (17.3 mi from Thornton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.