San Carlos, Texas Weather
San Carlos, Texas — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for San Carlos, Starr County.
Full aviation weather for San Carlos is published on the Rio Grande City Municipal Airport (K67R) page, 28 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 2 airfields within reach of San Carlos have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near San Carlos: Zapata County Airport (KAPY) 51 km
Conditions reported at K67R describe the airfield itself. Weather 28 km away can differ, particularly in terrain or near the coast. For conditions at San Carlos specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for San Carlos.
About San Carlos, Texas
San Carlos rests under a sky that stretches, vast and pale, over the flatlands of South Texas. It lies 45.8 miles north-west of Mission, TX (from Mission, TX: bearing 315°T), and is situated 19.8 miles north-north-east of Escobares. The landscape here is a study in subtle greens and browns, a mosaic of mesquite scrub, hardy grasses, and fields that lie fallow or wait for the season's promise. The air, especially in the late afternoon, carries a dry warmth, a whisper of the sun baked earth, and the distant, low hum of cicadas. The horizon is a clean, unwavering line, broken only by the occasional cluster of modest homes or the skeletal grace of a water tower. This corner of Starr County has long been shaped by the rhythms of agriculture, its economy tied to the bounty, and the challenges, of the land. Generations have worked these soils, coaxing cotton and sorghum from them, their lives a quiet testament to resilience. History here is not etched in grand monuments but in the weathered facades of old buildings and the stories passed down, tales that speak of border life and the enduring spirit of its people. San Carlos, in its understated way, embodies the quiet strength of this region, a place where the land and its history are deeply, inextricably entwined.
Live animated radar for San Carlos and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | San Carlos, Starr County, Texas |
| Coordinates | 26.679499°N, 98.853639°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 78582, 78542 |
| Area Code | 830 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This San Carlos, Texas Weather Page
This page provides live weather conditions and forecasts for San Carlos, Texas, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for San Carlos includes coordinates 26.679499°N, 98.853639°W, situated in Starr County. ZIP code 78582, 78542. Telephone area code: 830. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
