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Rocky Hill, New Jersey Weather

Rocky Hill, 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 Rocky Hill, Somerset 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 Rocky Hill. Tide source:

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Full aviation weather for Rocky Hill is published on the Trenton Mercer Airport (KTTN) page, 20 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 Rocky Hill 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 Rocky Hill: Somerset Airport (KSMQ) 25 km · Old Bridge Airport (K3N6) 26 km · Sky Manor Airport (KN40) 34 km · Linden Airport (KLDJ) 41 km · Mc Guire Air Force Base (KWRI) 43 km

Conditions reported at KTTN describe the airfield itself. Weather 20 km away can differ, particularly in terrain or near the coast. For conditions at Rocky Hill specifically, see the current conditions and forecast above.

🌿 Air Quality
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About Rocky Hill, New Jersey

Rocky Hill rests in a fold of the land, where the gentle slopes of central New Jersey begin to hint at the more pronounced contours of the Appalachian foothills. It lies 3.8 miles north-north-east of Princeton, NJ (from Princeton, NJ: bearing 20°T), and is situated 8.5 miles north-east of Mercer. The air here, especially in the late afternoon, carries a softened quality, a subtle warmth that clings to the well-trodden paths and the manicured lawns of its residential streets. Mature trees, maples and oaks mostly, cast long, languid shadows across the neighborhoods, their leaves rustling with a sound that seems to echo the quiet hum of everyday life. The terrain, as its name suggests, is not entirely flat, offering small rises that provide glimpses of distant green expanses and the occasional glint of sunlight on a faraway roof. The history of Rocky Hill is intertwined with the agricultural rhythms of the region, a legacy visible in the remnants of older farmhouses and the enduring presence of open fields that still punctuate the landscape. The local economy, once tethered more directly to the soil, has evolved, now reflecting a blend of small businesses that serve the immediate community and residents who commute to larger employment centers. It’s a place that has seen its share of change, absorbing the influences of nearby urban growth while striving to maintain a distinct, unhurried character. The Stony Brook, a modest waterway, meanders through its periphery, a constant, quiet presence that has witnessed the comings and goings of generations.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Rocky Hill 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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LocationRocky Hill, Somerset County, New Jersey
Coordinates40.399828°N, 74.634324°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)08553
Area Code609, 640
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Rocky Hill, New Jersey Weather Page

This page provides live weather conditions and forecasts for Rocky Hill, 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 Rocky Hill includes coordinates 40.399828°N, 74.634324°W, situated in Somerset County. ZIP code 08553. 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.