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Princeton Junction, New Jersey Weather

Princeton Junction, New Jersey — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for Princeton Junction, Mercer 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 Princeton Junction. Nearest NOAA tide station:

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✈️ Aviation Weather

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

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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Princeton Junction 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 Princeton Junction, New Jersey

Princeton Junction rises from the gentle undulations of Mercer County, a place where the air itself seems to hum with a quiet, purposeful energy. It lies 1.4 miles south-east of West Windsor, NJ (from West Windsor, NJ: bearing 135°T), and is situated 9.5 miles north-east of Trenton. The landscape here is a thoughtful blend of verdant fields, their emerald hues deepening with the lengthening days of summer, and the determined geometry of human endeavor. Mature oaks, their branches like gnarled calligraphy against the sky, stand sentinel over scattered woodlands, their dappled shade a cool respite. The land slopes with a subtle grace, hinting at the slow, deliberate work of glaciers that shaped this corner of New Jersey ages ago, and the occasional glint of sunlight off distant water suggests a network of unseen streams. For decades, Princeton Junction has been defined by its pivotal role as a transportation hub, a place where journeys converge and diverge. The arrival of the railroad in the mid-19th century irrevocably altered its trajectory, transforming it from a quiet agricultural outpost into a vital nexus. This connectivity fueled a modest local economy, initially tied to the agricultural surplus of the surrounding farmland and later to the needs of the burgeoning academic and research institutions nearby, whose influence casts a long shadow. The distinctive rhythm of commuter trains, a steady heartbeat against the backdrop of suburban life, remains a defining characteristic of Princeton Junction, a constant reminder of its enduring purpose as a point of passage.

LocationPrinceton Junction, Mercer County, New Jersey
Coordinates40.31733°N, 74.619879°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)08550
Area Code201, 551, 609, 640, 732, 848, 856, 862, 908, 973
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service