Hart, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hart, a city in Castro County, Texas.
This Afternoon
93°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny, with a high near 93. Southwest wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for Hart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 24% |
| Tonight | 64°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Sunday | 89°F | Sunny | 5 to 10 mph NNW | 8% |
| Sunday Night | 61°F | Partly Cloudy | 5 mph ESE | 12% |
| Monday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph E | 50% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 54% |
| Tuesday | 75°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 71% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 57% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 67% |
| Wednesday Night | 58°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SSE | 59% |
| Thursday | 78°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 54% |
| Thursday Night | 60°F | Chance Showers And Thunderstorms | 5 mph S | 46% |
| Friday | 79°F | Chance Rain Showers | 5 to 10 mph S | 45% |
| Friday Night | 62°F | Chance Showers And Thunderstorms | 5 mph SSE | 35% |
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 20, 2026.