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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.

Overnight
80°F
Partly Cloudy
Partly cloudy, with a low around 80. South southeast wind around 8 mph.

7-day forecast for Del Mar Heights

WhenTempForecastWindPrecip
Overnight 80°F Partly Cloudy 8 mph SSE 2%
Tuesday 97°F Sunny 9 to 20 mph SSE 2%
Tuesday Night 81°F Mostly Clear 9 to 18 mph SE 1%
Wednesday 97°F Mostly Sunny 10 to 17 mph SE 3%
Wednesday Night 80°F Mostly Clear 7 to 16 mph SE 1%
Thursday 97°F Sunny 7 to 17 mph SE 11%
Thursday Night 79°F Mostly Clear 6 to 17 mph SE 11%
Friday 96°F Sunny then Slight Chance Showers And Thunderstorms 5 to 15 mph SE 17%
Friday Night 78°F Slight Chance Showers And Thunderstorms then Mostly Clear 1 to 15 mph SE 17%
Saturday 95°F Sunny 1 to 14 mph ESE 13%
Saturday Night 79°F Mostly Clear 3 to 14 mph SE 13%
Sunday 95°F Sunny 2 to 14 mph SE 14%
Sunday Night 79°F Mostly Clear 6 to 14 mph SE 14%
Monday 96°F Sunny 6 to 18 mph SSE 6%

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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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 Aug 4, 2026.