Hart, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hart, a city in Castro County, Texas.
Overnight
68°F
Partly Cloudy
Partly cloudy, with a low around 68. South southwest wind around 15 mph.
7-day forecast for Hart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Partly Cloudy | 15 mph SSW | 0% |
| Tuesday | 96°F | Sunny | 15 mph S | 1% |
| Tuesday Night | 68°F | Mostly Clear | 10 to 15 mph S | 3% |
| Wednesday | 95°F | Sunny | 10 to 15 mph SSW | 2% |
| Wednesday Night | 69°F | Partly Cloudy | 10 to 15 mph S | 5% |
| Thursday | 95°F | Sunny | 10 to 15 mph SSW | 3% |
| Thursday Night | 68°F | Partly Cloudy | 10 to 15 mph S | 8% |
| Friday | 95°F | Sunny | 10 to 15 mph S | 2% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 mph SSE | 23% |
| Saturday | 96°F | Slight Chance Showers And Thunderstorms then Sunny | 10 mph SSW | 15% |
| Saturday Night | 68°F | Mostly Clear | 10 mph S | 3% |
| Sunday | 95°F | Sunny | 10 to 15 mph SSW | 0% |
| Sunday Night | 67°F | Clear | 10 to 15 mph S | 0% |
| Monday | 95°F | Sunny | 15 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Hart (34.386, -102.115). Updated through the day.
Growing snapshot for Hart
Last spring frost
Apr 22
First fall frost
Oct 21
Growing season
182 days
Hardiness zone
7a
More local growing data for Hart: nearby ZIP 79043 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hart, Tx (1 mi from Hart). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.