Hopatcong, New Jersey Weather
Hopatcong, 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 Hopatcong, Sussex County.
Tides, marine forecast and fishing conditions near Hopatcong. Tide source:
Full aviation weather for Hopatcong is published on the Morristown Municipal Airport (KMMU) page, 25 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 Hopatcong 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 Hopatcong: Essex County Airport (KCDW) 32 km · Somerset Airport (KSMQ) 34 km · Sky Manor Airport (KN40) 49 km · Newark Liberty International Airport (KEWR) 49 km · Linden Airport (KLDJ) 50 km
Conditions reported at KMMU describe the airfield itself. Weather 25 km away can differ, particularly in terrain or near the coast. For conditions at Hopatcong specifically, see the current conditions and forecast above.
About Hopatcong, New Jersey
Hopatcong rests on the western edge of a vast, shimmering expanse of water, its landscape a study in rolling hills that spill down to the lake's edge. It lies 6.2 miles north-west of Randolph, NJ (from Randolph, NJ: bearing 324°T), and is situated 6.8 miles north-east of Mount Olive. The terrain here is a blend of dense woodlands, where the scent of pine needles and damp earth hangs heavy, and more open spaces dotted with the sturdy, weathered homes that speak of a long-settled life. Sunlight, when it breaks through the canopy, paints the rough bark of oak and maple trees in broad, golden strokes, and the air often carries the faint, sweet perfume of wild honeysuckle in the summer months. The character of Hopatcong is one of quiet resilience, a place where the rhythm of the seasons dictates the pace of existence, and the presence of the lake shapes both the visual and sensory experience of its inhabitants. The history of Hopatcong is intrinsically tied to its namesake lake, a glacial remnant that has long been a source of both sustenance and recreation. Once a vital transportation route and a hub for early industry, the lake and its surrounding shores have witnessed shifts in the local economy, from the logging and mining operations of earlier centuries to the burgeoning tourism that defines much of Hopatcong's present-day appeal. The summer cottages and marinas that now dot the shoreline are a testament to the enduring allure of this watery heartland, drawing visitors who seek its cooling breezes and recreational opportunities. Generations have found their livelihood here, whether through the small businesses that cater to the seasonal influx or the more enduring trades that continue to serve the year-round residents who call Hopatcong home.
Live animated radar for Hopatcong 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 | Hopatcong, Sussex County, New Jersey |
| Coordinates | 40.932876°N, 74.659328°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 07843 |
| Area Code | 732, 848 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Hopatcong, New Jersey Weather Page
This page provides live weather conditions and forecasts for Hopatcong, 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 Hopatcong includes coordinates 40.932876°N, 74.659328°W, situated in Sussex County. ZIP code 07843. Telephone area code: 732, 848. 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.
