Derby, Texas — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Derby, Frio County.
Full aviation weather for Derby is published on the Mc Kinley Field (KT30) page, 6 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. 4 airfields within reach of Derby 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 Derby: Dilley Airpark (K24R) 11 km · Cotulla-La Salle County Airport (KCOT) 36 km · Devine Municipal Airport (K23R) 45 km
Conditions reported at KT30 describe the airfield itself. Weather 6 km away can differ, particularly in terrain or near the coast. For conditions at Derby specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Derby.
Derby rests in a landscape shaped by the patient work of wind and water, where the South Texas Brush Country unfolds in a tapestry of mesquite, prickly pear, and scattered oaks. It lies 59.2 miles south-west of San Antonio, TX (from San Antonio, TX: bearing 221°T), and is situated 8.6 miles south-south-west of Pearsall. The terrain, a subtle undulation rather than dramatic hills, offers wide vistas under a sky that seems to stretch perpetually, especially in the late afternoon when the light softens to a warm, honeyed hue. The air itself carries a dry, earthy scent, a blend of sun-baked soil and resilient vegetation, a constant reminder of the arid beauty that defines this corner of Frio County. Life here moves with a quiet deliberation, a steady pulse that echoes the slow growth of the native plants and the enduring spirit of the land. Though not a place of grand pronouncements or bustling industry, Derby holds its own history and character, deeply rooted in the agricultural traditions of the region. Its economy has long been tied to the fortunes of the land, with cattle ranching and farming providing sustenance and a way of life for generations. The echoes of the past are subtle, not shouted from monuments, but felt in the weathered barns and the enduring fences that trace property lines across the rolling land. Derby’s distinctiveness lies in its unpretentious resilience, a quiet dignity found in the enduring spirit of its people and the timeless beauty of the South Texas plains.
Live animated radar for Derby 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 | Derby, Frio County, Texas |
| Coordinates | 28.771365°N, 99.128644°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 78017, 79326 |
| Area Code | 210, 726, 806 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Derby, 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 Derby includes coordinates 28.771365°N, 99.128644°W, situated in Frio County. ZIP code 78017, 79326. Telephone area code: 210, 726, 806. 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.