Mercer, 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 Mercer, Mercer County.
Tides, marine forecast and fishing conditions near Mercer. Tide source:
Full aviation weather for Mercer is published on the Trenton Mercer Airport (KTTN) page, 7 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 Mercer 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 Mercer: Old Bridge Airport (K3N6) 33 km · Mc Guire Air Force Base (KWRI) 34 km · Sky Manor Airport (KN40) 36 km · Somerset Airport (KSMQ) 36 km · Lakehurst Maxfield Field Airport (KNEL) 44 km
Conditions reported at KTTN describe the airfield itself. Weather 7 km away can differ, particularly in terrain or near the coast. For conditions at Mercer specifically, see the current conditions and forecast above.
Mercer unfolds across a landscape shaped by the gentle inclination of the land, a subtle rise and fall that hints at the slow sculpting of time. It lies 2.1 miles north of Lawrence Mercer County, NJ (from Lawrence Mercer County, NJ: bearing 2°T), and is situated 5.9 miles north of Trenton. The rich soil, testament to centuries of agricultural life, still yields its bounty, a quiet hum beneath the surface of daily existence. Historically, this region has been a crossroads, its fortunes tied to the fertile ground and the industrious spirit of its people, fostering an economy that has gracefully adapted from agrarian roots to a more diversified present. The air here, especially in the hushed hours of late afternoon, carries a certain sweetness, a blend of distant blossoms and the earthy scent of turned soil, a quality that imbues Mercer with a tranquil, enduring presence. The cultural character of Mercer is one of quiet competence and deep-seated pride, a community that values tradition while embracing the flow of modern life. While no single towering landmark dominates the horizon, the charm of Mercer lies in its collection of well-preserved historic buildings and the welcoming green spaces that offer respite. Educational pursuits are well-represented, with institutions of higher learning contributing to the intellectual vibrancy of the area. The rhythm of life in Mercer is often punctuated by local events that celebrate its heritage and foster a strong sense of togetherness, and while its roster of globally recognized figures may be modest, the contributions of its residents are deeply felt within the fabric of the community.
Live animated radar for Mercer 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 | Mercer, Mercer County, New Jersey |
| Coordinates | 40.302853°N, 74.733707°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 08648 |
| 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 Mercer, 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 Mercer includes coordinates 40.302853°N, 74.733707°W, situated in Mercer County. ZIP code 08648. 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.