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Brownsville, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Brownsville, a city in Cameron County, Texas.

Today
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 107. South southeast wind 9 to 20 mph, with gusts as high as 26 mph.

7-day forecast for Brownsville

WhenTempForecastWindPrecip
Today 97°F Sunny 9 to 20 mph SSE 2%
Tonight 81°F Mostly Clear 9 to 18 mph SE 1%
Wednesday 97°F Mostly Sunny 9 to 16 mph SE 3%
Wednesday Night 81°F Mostly Clear 7 to 16 mph SE 1%
Thursday 98°F Sunny 7 to 16 mph SE 12%
Thursday Night 80°F Mostly Clear 6 to 16 mph SE 12%
Friday 96°F Sunny then Slight Chance Showers And Thunderstorms 5 to 15 mph SE 17%
Friday Night 79°F Slight Chance Showers And Thunderstorms then Mostly Clear 2 to 14 mph SE 17%
Saturday 96°F Sunny 2 to 14 mph ESE 14%
Saturday Night 79°F Mostly Clear 3 to 14 mph SE 14%
Sunday 96°F Sunny 2 to 14 mph SE 14%
Sunday Night 80°F Mostly Clear 6 to 14 mph SE 14%
Monday 97°F Sunny 6 to 17 mph SSE 6%
Monday Night 81°F Mostly Clear 10 to 17 mph SSE 6%

Forecast source: National Weather Service (api.weather.gov) for Brownsville (25.996, -97.451). Updated through the day.

Growing snapshot for Brownsville

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

More local growing data for Brownsville: nearby ZIP 78526 weather · frost dates · planting calendar · Texas frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Wfo Brownsville, Tx (5.8 mi from Brownsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.