Hamilton Square, New Jersey Weather
Hamilton Square, 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 Hamilton Square, Mercer County.
Tides, marine forecast and fishing conditions near Hamilton Square. Tide source:
Full aviation weather for Hamilton Square 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 Hamilton Square 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 Hamilton Square: Mc Guire Air Force Base (KWRI) 24 km · Old Bridge Airport (K3N6) 28 km · Lakehurst Maxfield Field Airport (KNEL) 33 km · Lakewood Airport (KN12) 44 km · Somerset Airport (KSMQ) 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 Hamilton Square specifically, see the current conditions and forecast above.
About Hamilton Square, New Jersey
Hamilton Square unfolds as a broad, sun-drenched expanse, its character shaped by the gentle roll of the land. It lies 4.8 miles east of Trenton, NJ (from Trenton, NJ: bearing 81°T), and is situated 6.7 miles south-east of Mercer. The terrain here is a subtle mosaic of cultivated fields, their greens and golds stretching towards the horizon, interspersed with stands of mature oak and maple trees that offer dappled shade on warmer afternoons. Residential neighborhoods, with their manicured lawns and quiet streets, bleed into the edges of these agricultural swathes, creating a landscape that feels both settled and alive with the changing seasons. The air, especially in the late afternoon, carries a faint, earthy scent, a blend of damp soil and ripening corn, a constant reminder of the deep agricultural roots that still anchor Hamilton Square. Historically, Hamilton Square has been a place of quiet growth, its development tied to the fertile lands and strategic location within Mercer County. Once part of a vast agricultural region, its economy has diversified over the decades, now balancing its farming heritage with a robust service sector and a growing presence of businesses that cater to the broader metropolitan area. While no single grand monument dominates its skyline, the enduring presence of older farmhouses, their weathered barns standing sentinel, speaks to generations of families who worked this land. The community’s spirit is often observed in the unhurried pace of everyday life, the friendly greetings exchanged at local shops, and the shared pride in the area’s continuous, unpretentious evolution.
Live animated radar for Hamilton Square 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 | Hamilton Square, Mercer County, New Jersey |
| Coordinates | 40.227332°N, 74.653213°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 08690 |
| Area Code | 609, 640 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Hamilton Square, New Jersey Weather Page
This page provides live weather conditions and forecasts for Hamilton Square, 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 Hamilton Square includes coordinates 40.227332°N, 74.653213°W, situated in Mercer County. ZIP code 08690. 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.
