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Santa Rosa, TX Weather & Growing Conditions

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

Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 108. South southeast wind 10 to 18 mph, with gusts as high as 28 mph.

7-day forecast for Santa Rosa

WhenTempForecastWindPrecip
Today 100°F Sunny 10 to 18 mph SSE 1%
Tonight 79°F Mostly Clear 8 to 17 mph SE 1%
Wednesday 100°F Mostly Sunny 9 to 16 mph SE 2%
Wednesday Night 78°F Mostly Clear 7 to 16 mph SE 0%
Thursday 100°F Sunny 7 to 16 mph SE 11%
Thursday Night 78°F Clear 6 to 16 mph SE 11%
Friday 99°F Sunny then Slight Chance Showers And Thunderstorms 5 to 15 mph SE 20%
Friday Night 77°F Slight Chance Showers And Thunderstorms then Mostly Clear 2 to 15 mph SE 20%
Saturday 98°F Sunny 2 to 13 mph ESE 12%
Saturday Night 77°F Mostly Clear 2 to 13 mph SE 12%
Sunday 98°F Sunny 2 to 13 mph SE 13%
Sunday Night 78°F Partly Cloudy 6 to 14 mph SE 13%
Monday 99°F Sunny 6 to 16 mph SE 3%
Monday Night 78°F Mostly Clear 9 to 16 mph SE 3%

Forecast source: National Weather Service (api.weather.gov) for Santa Rosa (26.256, -97.825). Updated through the day.

Growing snapshot for Santa Rosa

Last spring frost
Jan 10
First fall frost
Dec 27
Growing season
355 days
Hardiness zone
10a

More local growing data for Santa Rosa: nearby ZIP 78593 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Santa Rosa 3 Wnw, Tx (3.1 mi from Santa Rosa). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.