Thornton, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thornton, a town in Limestone County, Texas.
Overnight
73°F
Clear
Clear. Low around 73, with temperatures rising to around 75 overnight. South wind around 5 mph.
7-day forecast for Thornton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Clear | 5 mph S | 0% |
| Tuesday | 97°F | Sunny | 5 to 10 mph S | 0% |
| Tuesday Night | 76°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Wednesday | 99°F | Sunny | 5 to 10 mph SSW | 0% |
| Wednesday Night | 74°F | Mostly Clear | 5 to 10 mph S | 2% |
| Thursday | 98°F | Sunny | 5 mph S | 2% |
| Thursday Night | 75°F | Mostly Clear | 5 mph S | 3% |
| Friday | 97°F | Sunny | 5 mph S | 7% |
| Friday Night | 74°F | Mostly Clear | 5 mph S | 7% |
| Saturday | 95°F | Sunny | 0 to 5 mph SSE | 7% |
| Saturday Night | 74°F | Mostly Clear | 5 mph SSE | 7% |
| Sunday | 96°F | Sunny | 0 to 5 mph SSE | 6% |
| Sunday Night | 73°F | Mostly Clear | 5 to 10 mph SSE | 6% |
| Monday | 96°F | Sunny | 5 to 10 mph S | 7% |
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
Nearby towns & communities
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 Aug 4, 2026.