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
99°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny. High near 99, with temperatures falling to around 94 in the afternoon. Heat index values as high as 104. East wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rio Bravo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Chance Showers And Thunderstorms | 6 to 9 mph E | 40% |
| Tonight | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 to 12 mph ESE | 26% |
| Saturday | 101°F | Sunny | 2 to 7 mph SE | 1% |
| Saturday Night | 76°F | Mostly Clear | 7 to 14 mph ESE | 1% |
| Sunday | 101°F | Sunny | 6 mph SE | 1% |
| Sunday Night | 77°F | Partly Cloudy | 6 to 13 mph SE | 1% |
| Monday | 102°F | Sunny | 3 to 7 mph ESE | 2% |
| Monday Night | 77°F | Mostly Clear | 6 to 13 mph ESE | 4% |
| Tuesday | 100°F | Sunny | 3 to 10 mph ESE | 10% |
| Tuesday Night | 76°F | Mostly Clear | 5 to 14 mph ESE | 11% |
| Wednesday | 99°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 12 mph ESE | 19% |
| Wednesday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 13 mph ESE | 19% |
| Thursday | 99°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 10 mph E | 29% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms | 3 to 12 mph ESE | 29% |
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
Nearby towns & communities
Aguilares
Bonanza Hills
Botines
Bruni
Colorado Acres
El Cenizo
Encinal
Four Points
Hillside Acres
La Coma
La Moca Ranch
La Presa
Laredo
Laredo Ranchettes
Laredo Ranchettes West
Las Haciendas
Las Pilas
Los Altos
Los Arcos
Los Centenarios
Los Corralitos
Los Fresnos
Los Huisaches
Los Minerales
Los Nopalitos
Los Veteranos I
Los Veteranos II
Mirando City
Oilton
Pueblo East
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 Sep 18, 2026.