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Rancho Cucamonga, California Weather

Rancho Cucamonga, California — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for Rancho Cucamonga, San Bernardino County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Rancho Cucamonga. Nearest NOAA tide station:

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✈️ Aviation Weather

Flight conditions near Rancho Cucamonga — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Rancho Cucamonga and surroundings — RainViewer.

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🛰️ 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
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About Rancho Cucamonga, California

Rancho Cucamonga unfolds across a landscape shaped by the powerful presence of the San Gabriel Mountains, their rugged peaks forming a dramatic northern backdrop against the ceaseless blue of the California sky. It lies 3.2 miles east of Upland, CA (from Upland, CA: bearing 79°T), and is situated 9.1 miles west of Fontana. The city itself sprawls across a broad alluvial plain, a fertile expanse that has historically lent itself to agriculture and now supports a vibrant, modern community. Here, the air often carries a dry warmth, a whisper of the desert to the east, yet the proximity of the mountains offers a subtle coolness, particularly in the evenings when the light softens and paints the foothills in hues of rose and violet. This interplay of mountain shadow and valley sun defines the physical character of Rancho Cucamonga, a place where the vastness of the Inland Empire meets the intimate scale of neighborhood streets and tree-lined avenues. The history of Rancho Cucamonga is deeply rooted in the agricultural bounty of this fertile basin, a legacy that echoes in its very name, derived from a Spanish land grant. For generations, vineyards and citrus groves flourished here, their cultivation shaping the early economy and the identity of the region. While the agricultural past remains a cherished part of its heritage, Rancho Cucamonga has evolved into a dynamic economic hub. The city's economy today is diverse, driven by a robust retail sector, a significant presence in logistics and warehousing, and a growing number of businesses in technology and professional services. This economic transformation has brought a steady stream of residents and opportunities, creating a bustling environment that balances its historical roots with forward-looking development. Rancho Cucamonga's cultural landscape is a rich blend of community traditions and broader Californian influences, though it does not host professional teams in the NFL, NBA, MLB, NHL, or MLS. The city celebrates a number of annual events that draw residents together, reflecting a strong sense of local pride and shared experience. While not home to world-famous landmarks in the vein of distant metropolises, Rancho Cucamonga boasts its own points of local significance, including its extensive network of parks that offer vital green spaces for recreation and respite. The city is also recognized for its educational institutions, including campuses of renowned universities that attract students from across the region. Over time, Rancho Cucamonga has been the birthplace or adopted home of individuals who have achieved recognition in various fields, contributing to the broader narrative of Southern California's creative and intellectual output.

LocationRancho Cucamonga, San Bernardino County, California
Coordinates34.106399°N, 117.593108°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)91730, 91701, 91729, 91737, 91739
Area Code818, 747
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service