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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.

This Afternoon
84°F
Sunny
Sunny, with a high near 84. Heat index values as high as 82. North wind around 9 mph.

7-day forecast for Rio Bravo

WhenTempForecastWindPrecip
This Afternoon 84°F Sunny 9 mph N 0%
Tonight 60°F Mostly Clear 2 to 6 mph N 0%
Wednesday 81°F Sunny 0 to 3 mph NE 0%
Wednesday Night 63°F Mostly Clear 2 to 6 mph ESE 1%
Thursday 83°F Mostly Sunny 0 to 3 mph SE 2%
Thursday Night 66°F Partly Cloudy then Slight Chance Rain Showers 2 to 10 mph N 20%
Friday 78°F Mostly Sunny 3 to 12 mph N 3%
Friday Night 59°F Partly Cloudy 1 to 6 mph NNE 9%
Saturday 73°F Chance Rain Showers then Partly Sunny 8 mph NNE 27%
Saturday Night 57°F Slight Chance Rain Showers 3 to 7 mph N 20%
Sunday 73°F Mostly Sunny 2 to 7 mph N 14%
Sunday Night 54°F Partly Cloudy 0 mph 4%
Monday 75°F Mostly Sunny 0 mph 3%
Monday Night 55°F Partly Cloudy 1 mph E 4%

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 Nov 4, 2026.