Del Mar Heights, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Del Mar Heights, a community in Cameron County, Texas.
This Afternoon
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 105. East wind around 14 mph.
7-day forecast for Del Mar Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Sunny | 14 mph E | 0% |
| Tonight | 77°F | Mostly Clear | 0 to 13 mph ESE | 1% |
| Sunday | 96°F | Sunny | 0 to 13 mph ENE | 11% |
| Sunday Night | 79°F | Partly Cloudy | 1 to 13 mph ESE | 2% |
| Monday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 13 mph ESE | 24% |
| Monday Night | 79°F | Slight Chance Showers And Thunderstorms then Clear | 1 to 13 mph ESE | 24% |
| Tuesday | 95°F | Chance Showers And Thunderstorms | 2 to 15 mph E | 38% |
| Tuesday Night | 79°F | Chance Showers And Thunderstorms then Mostly Clear | 1 to 14 mph E | 38% |
| Wednesday | 95°F | Chance Showers And Thunderstorms | 2 to 15 mph ENE | 45% |
| Wednesday Night | 79°F | Chance Showers And Thunderstorms | 3 to 13 mph E | 42% |
| Thursday | 94°F | Chance Showers And Thunderstorms | 5 to 15 mph ENE | 46% |
| Thursday Night | 79°F | Chance Showers And Thunderstorms | 5 to 13 mph ENE | 46% |
| Friday | 94°F | Showers And Thunderstorms Likely | 5 to 15 mph ENE | 59% |
| Friday Night | 79°F | Chance Showers And Thunderstorms | 5 to 14 mph ENE | 52% |
Forecast source: National Weather Service (api.weather.gov) for Del Mar Heights (26.057, -97.424). Updated through the day.
Growing snapshot for Del Mar Heights
Last spring frost
Jan 9
First fall frost
Jan 4
Growing season
365 days
Hardiness zone
10a
More local growing data for Del Mar Heights: nearby ZIP 78526 weather · frost dates · planting calendar · Texas frost dates
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La Feria
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La Paloma
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Los Fresnos
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Climate data from the nearest NOAA station, Wfo Brownsville, Tx (5.8 mi from Del Mar Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.