Hart, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hart, a city in Castro County, Texas.
Today
93°F
Mostly Sunny
Mostly sunny, with a high near 93. Southwest wind 10 to 15 mph.
7-day forecast for Hart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Mostly Sunny | 10 to 15 mph SW | 10% |
| Tonight | 64°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 10 mph SW | 19% |
| Sunday | 91°F | Sunny | 5 to 10 mph NW | 13% |
| Sunday Night | 61°F | Mostly Clear | 5 mph ENE | 13% |
| Monday | 82°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph ENE | 38% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 51% |
| Tuesday | 75°F | Showers And Thunderstorms Likely | 5 to 10 mph ESE | 68% |
| Tuesday Night | 56°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 47% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 10 mph SE | 61% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 5 mph SE | 53% |
| Thursday | 78°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 53% |
| Thursday Night | 59°F | Chance Showers And Thunderstorms | 5 mph SSE | 52% |
| Friday | 81°F | Chance Rain Showers | 5 to 10 mph S | 52% |
| Friday Night | 60°F | Chance Showers And Thunderstorms | 5 mph SSE | 32% |
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 Sep 19, 2026.