San Carlos, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Carlos, a community in Hidalgo County, Texas.
This Afternoon
92°F
Mostly Sunny
Mostly sunny. High near 92, with temperatures falling to around 86 in the afternoon. West northwest wind 0 to 8 mph.
7-day forecast for San Carlos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Mostly Sunny | 0 to 8 mph WNW | 11% |
| Tonight | 66°F | Chance Rain Showers | 8 mph N | 28% |
| Wednesday | 84°F | Mostly Sunny | 5 to 8 mph NNE | 2% |
| Wednesday Night | 68°F | Partly Cloudy | 2 to 8 mph E | 3% |
| Thursday | 90°F | Mostly Sunny | 3 to 9 mph SE | 3% |
| Thursday Night | 70°F | Showers And Thunderstorms | 3 to 7 mph SSW | 78% |
| Friday | 81°F | Chance Showers And Thunderstorms then Partly Sunny | 7 to 14 mph N | 38% |
| Friday Night | 63°F | Partly Cloudy then Slight Chance Rain Showers | 3 to 8 mph NNE | 19% |
| Saturday | 78°F | Chance Rain Showers | 10 mph N | 43% |
| Saturday Night | 60°F | Chance Rain Showers | 6 to 14 mph N | 33% |
| Sunday | 75°F | Slight Chance Rain Showers then Mostly Sunny | 8 to 14 mph N | 23% |
| Sunday Night | 56°F | Partly Cloudy | 3 to 7 mph N | 13% |
| Monday | 77°F | Mostly Sunny | 7 mph NNE | 5% |
| Monday Night | 56°F | Partly Cloudy | 5 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov) for San Carlos (26.296, -98.063). Updated through the day.
Growing snapshot for San Carlos
Last spring frost
Jan 8
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10a
More local growing data for San Carlos: nearby ZIP 78558 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Abram
Alamo
Alton
César Chávez
Citrus City
Cuevitas
Doffing
Donna
Doolittle
Edcouch
Edinburg
Elias-Fela Solis
Elsa
Granjeno
Harding Gill Tract
Hargill
Havana
Heidelberg
Hidalgo
Indian Hills
La Blanca
La Coma Heights
La Homa
La Joya
La Villa
Laguna Seca
Linn
Llano Grande
Lopezville
Los Ebanos
Climate data from the nearest NOAA station, Edinburg, Tx (8.3 mi from San Carlos). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.