Harman US

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

WhenTempForecastWindPrecip
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

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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.