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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.

This Afternoon
96°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm. Mostly sunny, with a high near 96. Heat index values as high as 109. East northeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

7-day forecast for Santa Rosa

WhenTempForecastWindPrecip
This Afternoon 96°F Chance Showers And Thunderstorms 13 mph ENE 28%
Tonight 76°F Mostly Clear 0 to 12 mph ENE 3%
Saturday 98°F Sunny 1 to 12 mph ENE 12%
Saturday Night 75°F Mostly Clear 1 to 12 mph ESE 0%
Sunday 99°F Sunny then Slight Chance Showers And Thunderstorms 1 to 12 mph ESE 15%
Sunday Night 76°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 to 13 mph SE 15%
Monday 99°F Sunny then Slight Chance Showers And Thunderstorms 1 to 13 mph ESE 21%
Monday Night 76°F Slight Chance Showers And Thunderstorms then Mostly Clear 1 to 13 mph ESE 21%
Tuesday 98°F Sunny then Chance Showers And Thunderstorms 1 to 13 mph ENE 42%
Tuesday Night 76°F Chance Showers And Thunderstorms then Mostly Clear 0 to 13 mph ENE 42%
Wednesday 97°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 1 to 14 mph ENE 41%
Wednesday Night 77°F Chance Showers And Thunderstorms then Mostly Clear 1 to 13 mph ENE 41%
Thursday 97°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 3 to 13 mph NE 41%
Thursday Night 76°F Chance Showers And Thunderstorms 2 to 13 mph ENE 41%

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 Sep 18, 2026.