Sunset, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunset, a community in Starr County, Texas.
This Afternoon
88°F
Mostly Sunny
Mostly sunny. High near 88, with temperatures falling to around 84 in the afternoon. North northwest wind 9 to 13 mph, with gusts as high as 23 mph.
7-day forecast for Sunset
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Mostly Sunny | 9 to 13 mph NNW | 2% |
| Tonight | 63°F | Mostly Clear | 3 to 7 mph N | 2% |
| Wednesday | 84°F | Sunny | 3 mph NE | 1% |
| Wednesday Night | 66°F | Partly Cloudy | 3 mph ESE | 1% |
| Thursday | 89°F | Partly Sunny | 3 mph S | 1% |
| Thursday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 1 to 8 mph NNW | 50% |
| Friday | 81°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NNW | 19% |
| Friday Night | 62°F | Partly Cloudy | 2 mph N | 14% |
| Saturday | 77°F | Chance Rain Showers | 2 to 7 mph N | 25% |
| Saturday Night | 60°F | Slight Chance Rain Showers | 2 to 8 mph N | 21% |
| Sunday | 75°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 9 mph N | 15% |
| Sunday Night | 56°F | Partly Cloudy | 2 mph N | 11% |
| Monday | 78°F | Mostly Sunny | 3 mph NE | 3% |
| Monday Night | 57°F | Partly Cloudy | 1 mph ENE | 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 Nov 3, 2026.