Thornton, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thornton, a town in Limestone County, Texas.
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. North northwest wind around 0 mph.
7-day forecast for Thornton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 74°F | Sunny | 0 to 5 mph NNW | 0% |
| Wednesday Night | 50°F | Patchy Fog | 0 mph | 0% |
| Thursday | 78°F | Patchy Fog then Sunny | 0 to 5 mph SSE | 0% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 10 mph WNW | 4% |
| Friday | 73°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 48°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 69°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Saturday Night | 45°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Sunday | 67°F | Mostly Sunny | 5 mph N | 4% |
| Sunday Night | 42°F | Mostly Clear | 0 mph | 3% |
| Monday | 70°F | Sunny | 0 to 5 mph SW | 3% |
| Monday Night | 43°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 73°F | Mostly Sunny | 0 to 5 mph S | 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
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 Nov 4, 2026.