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Rio Bravo, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Rio Bravo, a city in Webb County, Texas.

Today
102°F
Sunny
Sunny, with a high near 102. Heat index values as high as 107. Southeast wind 10 to 16 mph, with gusts as high as 22 mph.

7-day forecast for Rio Bravo

WhenTempForecastWindPrecip
Today 102°F Sunny 10 to 16 mph SE 3%
Tonight 79°F Partly Cloudy 13 to 16 mph SE 6%
Wednesday 103°F Mostly Sunny 15 mph SE 2%
Wednesday Night 79°F Mostly Clear 15 mph SE 0%
Thursday 104°F Sunny 14 mph SE 2%
Thursday Night 78°F Mostly Clear 10 to 16 mph SE 2%
Friday 102°F Sunny 12 mph SE 2%
Friday Night 77°F Mostly Clear 8 to 15 mph SE 3%
Saturday 101°F Sunny 7 to 10 mph SE 0%
Saturday Night 77°F Mostly Clear 8 to 15 mph SE 4%
Sunday 101°F Sunny 7 to 12 mph SE 2%
Sunday Night 78°F Mostly Clear 10 to 15 mph SE 2%
Monday 103°F Sunny 9 to 15 mph SE 1%
Monday Night 78°F Mostly Clear 17 mph SE 0%

Forecast source: National Weather Service (api.weather.gov) for Rio Bravo (27.365, -99.485). Updated through the day.

Growing snapshot for Rio Bravo

Last spring frost
Jan 20
First fall frost
Dec 25
Growing season
344 days
Hardiness zone
9b

More local growing data for Rio Bravo: nearby ZIP 78046 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Laredo Afb, Tx (11.3 mi from Rio Bravo). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.