Princeton, New Jersey — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Princeton, Mercer County.
Tides, marine forecast and fishing conditions near Princeton. Tide source:
Full aviation weather for Princeton is published on the Trenton Mercer Airport (KTTN) page, 15 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. 6 airfields within reach of Princeton 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 Princeton: Old Bridge Airport (K3N6) 26 km · Somerset Airport (KSMQ) 31 km · Sky Manor Airport (KN40) 36 km · Mc Guire Air Force Base (KWRI) 38 km · Lakehurst Maxfield Field Airport (KNEL) 44 km
Conditions reported at KTTN describe the airfield itself. Weather 15 km away can differ, particularly in terrain or near the coast. For conditions at Princeton specifically, see the current conditions and forecast above.
Princeton unfolds across a landscape of rolling terrain, where the land rises and falls with a gentle, persistent grace. It lies 1.6 miles north-west of West Windsor, NJ (from West Windsor, NJ: bearing 318°T), and is situated 5.1 miles north-east of Mercer. Ancient oaks and maples, their branches like gnarled hands reaching for the sky, cast long shadows across meticulously kept lawns and the winding, tree-lined streets. The air here, especially in the late afternoon, carries a faint sweetness, a mingling of damp earth and the distant, almost imperceptible hum of academic life. Stone buildings, some weathered to a soft grey, others gleaming with a fresh, new dignity, punctuate the green expanse, hinting at a long-held regard for permanence. The light at dusk, a soft, diffused gold, seems to linger, bathing the historic architecture in a warm, almost nostalgic glow. Princeton’s character is deeply entwined with the intellectual currents that have flowed through its renowned university for centuries, a legacy that imbues the very streets with a quiet, considered energy. This academic heart has long been the engine of Princeton's local economy, drawing scholars, students, and thinkers who, in turn, have shaped its cultural fabric and fostered a distinct, discerning populace. Beyond the ivy-covered walls, a history of agricultural enterprise can still be glimpsed in the preserved fields and the enduring presence of local farms, a reminder of the land's earlier, more grounded purpose. The proximity to major arteries has also fostered a certain accessibility, a connection to the wider world that belies Princeton's sometimes secluded, contemplative atmosphere, making it a place where profound thought and everyday commerce exist in a unique, enduring balance.
Live animated radar for Princeton 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 | Princeton, Mercer County, New Jersey |
| Coordinates | 40.348718°N, 74.659047°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 08544, 08540, 08541, 08542, 08543 |
| Area Code | 609, 640 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Princeton, New Jersey, 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 Princeton includes coordinates 40.348718°N, 74.659047°W, situated in Mercer County. ZIP code 08544, 08540, 08541, 08542, 08543. Telephone area code: 609, 640. Timezone: Eastern Time (America/New_York).
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.