Harman US

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

WhenTempForecastWindPrecip
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

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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 20, 2026.