Enter your search query in the box below.

San Antonio Heights, California Weather

San Antonio Heights, California — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for San Antonio Heights, San Bernardino County.

🌡️ Current Conditions
Loading current conditions…
24-Hour Forecast
Loading hourly forecast…
Current Conditions Detail
Loading detail…
7-Day Forecast
Loading 7-day forecast…
🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near San Antonio Heights. Tide source:

Loading fishing conditions…
Loading tide data…
Loading tide chart…
🎣 Best times to fish today (solunar)
Loading solunar times…
Loading marine conditions…
✈️ Aviation Weather

Flight conditions near San Antonio Heights. Data source: locating…

Loading aviation data…
🌿 Air Quality
Loading air quality data…

About San Antonio Heights, California

San Antonio Heights rises from the foothills, a place where the chaparral-clad slopes begin their serious ascent towards the imposing San Gabriel Mountains. It lies 4.0 miles north of Upland, CA (from Upland, CA: bearing 353°T), and is situated 6.4 miles north of Ontario. The air here, especially as the sun begins its slow descent, carries a dry, resinous scent, a perfume of sagebrush and distant pine that hints at the wilder country above. The houses, often set on generous lots, follow the natural contours of the land, their roofs a scattered mosaic against the ochre and sage of the hillsides. From many vantage points, the valley floor unfolds below like a rumpled, sun-bleached blanket, the urban sprawl of the Inland Empire a distant, muted hum. A persistent hawk often circles overhead, its silhouette stark against the vast, pale blue of the California sky, a silent sentinel observing the quiet diligence of this elevated settlement. This elevated tract, once part of a larger agricultural endeavor, retains echoes of its citrus-growing past, though the groves have largely given way to residential development and a scattering of small businesses that serve the local populace. The early visionaries saw potential in this sun-drenched incline, a place to escape the valley's summer heat, and that aspiration still seems to inform the character of San Antonio Heights. The economy, while not defined by a single industry, leans towards service and the quiet support of the surrounding communities, a steady, unassuming rhythm that belies the dramatic geological forces that shaped these mountains. The proximity to nature is a defining feature; trails that beckon hikers and equestrians begin just beyond the last paved road, leading into canyons where the silence is broken only by the crunch of gravel underfoot and the rustle of unseen creatures.

NWS Extended Forecast
Loading NWS forecast…
📡 Precipitation Radar

Live animated radar for San Antonio Heights and surroundings — RainViewer.

Loading radar…
🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
Calculating…
LocationSan Antonio Heights, San Bernardino County, California
Coordinates34.155564°N, 117.656444°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)91784
Area Code818, 747
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This San Antonio Heights, California Weather Page

This page provides live weather conditions and forecasts for San Antonio Heights, California, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Antonio Heights includes coordinates 34.155564°N, 117.656444°W, situated in San Bernardino County. ZIP code 91784. Telephone area code: 818, 747. Timezone: Pacific Time (America/Los_Angeles).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.