San Carlos II, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Carlos II, a community in Webb County, Texas.
Overnight
76°F
Partly Cloudy
Partly cloudy, with a low around 76. Southeast wind around 7 mph.
7-day forecast for San Carlos II
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 76°F | Partly Cloudy | 7 mph SE | 0% |
| Saturday | 101°F | Sunny | 3 to 7 mph SE | 0% |
| Saturday Night | 76°F | Partly Cloudy | 8 to 15 mph SE | 0% |
| Sunday | 101°F | Mostly Sunny | 3 to 7 mph SE | 0% |
| Sunday Night | 76°F | Partly Cloudy | 7 to 14 mph SE | 2% |
| Monday | 101°F | Sunny | 3 to 9 mph ESE | 4% |
| Monday Night | 76°F | Mostly Clear | 7 to 15 mph ESE | 10% |
| Tuesday | 99°F | Sunny | 5 to 12 mph ESE | 9% |
| Tuesday Night | 75°F | Mostly Clear | 5 to 14 mph ESE | 9% |
| Wednesday | 99°F | Sunny then Chance Showers And Thunderstorms | 5 to 12 mph E | 26% |
| Wednesday Night | 75°F | Chance Showers And Thunderstorms | 5 to 14 mph ESE | 26% |
| Thursday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 12 mph E | 27% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 to 13 mph ESE | 27% |
| Friday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 19% |
Forecast source: National Weather Service (api.weather.gov) for San Carlos II (27.490, -99.369). Updated through the day.
Growing snapshot for San Carlos II
Last spring frost
Jan 20
First fall frost
Dec 25
Growing season
344 days
Hardiness zone
9b
More local growing data for San Carlos II: nearby ZIP 78043 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
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Las Pilas
Los Altos
Los Arcos
Los Centenarios
Los Corralitos
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Mirando City
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Climate data from the nearest NOAA station, Laredo Afb, Tx (10.3 mi from San Carlos II). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.