Harman US

Sunset, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sunset, a community in Starr County, Texas.

Overnight
78°F
Mostly Clear
Mostly clear, with a low around 78. Southeast wind around 7 mph.

7-day forecast for Sunset

WhenTempForecastWindPrecip
Overnight 78°F Mostly Clear 7 mph SE 1%
Tuesday 102°F Sunny 7 to 12 mph SE 2%
Tuesday Night 79°F Partly Cloudy 9 to 13 mph SE 4%
Wednesday 102°F Mostly Sunny 8 to 12 mph SE 1%
Wednesday Night 78°F Mostly Clear 8 to 12 mph SE 0%
Thursday 102°F Sunny 7 to 10 mph SE 2%
Thursday Night 78°F Mostly Clear 7 to 12 mph SE 2%
Friday 102°F Sunny 6 to 9 mph SE 1%
Friday Night 77°F Mostly Clear 5 to 12 mph SE 1%
Saturday 101°F Sunny 5 to 8 mph SE 1%
Saturday Night 77°F Mostly Clear 3 to 10 mph SE 1%
Sunday 101°F Sunny 3 to 9 mph SE 2%
Sunday Night 78°F Mostly Clear 10 mph SE 2%
Monday 103°F Sunny 7 to 13 mph SE 2%

Forecast source: National Weather Service (api.weather.gov) for Sunset (26.425, -99.062). Updated through the day.

Growing snapshot for Sunset

Last spring frost
Jan 9
First fall frost
Jan 1
Growing season
363 days
Hardiness zone
9b

More local growing data for Sunset: nearby ZIP 78585 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Falcon Dam, Tx (6.2 mi from Sunset). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.