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Rancho Viejo, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Rancho Viejo, a town in Cameron County, Texas.

Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 108. South southeast wind 10 to 20 mph, with gusts as high as 29 mph.

7-day forecast for Rancho Viejo

WhenTempForecastWindPrecip
Today 98°F Sunny 10 to 20 mph SSE 2%
Tonight 80°F Mostly Clear 9 to 18 mph SE 1%
Wednesday 98°F Mostly Sunny 10 to 16 mph SE 3%
Wednesday Night 80°F Mostly Clear 7 to 16 mph SE 0%
Thursday 99°F Sunny 7 to 16 mph SE 11%
Thursday Night 79°F Mostly Clear 6 to 16 mph SE 11%
Friday 97°F Sunny then Slight Chance Showers And Thunderstorms 5 to 15 mph SE 18%
Friday Night 78°F Slight Chance Showers And Thunderstorms then Mostly Clear 2 to 15 mph SE 18%
Saturday 97°F Sunny then Slight Chance Showers And Thunderstorms 2 to 14 mph ESE 16%
Saturday Night 78°F Slight Chance Showers And Thunderstorms then Mostly Clear 3 to 14 mph SE 16%
Sunday 97°F Sunny then Slight Chance Showers And Thunderstorms 2 to 14 mph SE 16%
Sunday Night 79°F Slight Chance Showers And Thunderstorms then Partly Cloudy 7 to 14 mph SE 16%
Monday 98°F Sunny 7 to 17 mph SSE 5%
Monday Night 80°F Mostly Clear 10 to 17 mph SSE 5%

Forecast source: National Weather Service (api.weather.gov) for Rancho Viejo (26.036, -97.555). Updated through the day.

Growing snapshot for Rancho Viejo

Last spring frost
Jan 9
First fall frost
Jan 4
Growing season
365 days
Hardiness zone
10a

More local growing data for Rancho Viejo: nearby ZIP 78575 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Wfo Brownsville, Tx (11.5 mi from Rancho Viejo). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.