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Union County, New Jersey Weather

Union County, New Jersey — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Union County, Union 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 Union County. Tide source:

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

Flight conditions near Union County. Data source: locating…

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🌿 Air Quality
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About Union County, New Jersey

Union County unfolds as a varied landscape, a region where the gentle slopes of the Watchung Mountains descend towards the flatter expanses that eventually meet the Atlantic coastal plain. It lies 3.1 miles east of Westfield, NJ (from Westfield, NJ: bearing 89°T), and is situated 9.4 miles south of Essex. Its terrain is a mosaic of urban vibrancy and verdant pockets, crisscrossed by rivers and streams that have shaped its contours over millennia. The air here often carries a damp, earthy scent, especially after a spring rain, a testament to the rich soil and the proximity of waterways like the Elizabeth River and Rahway River, which serve as vital arteries. The general character of Union County is one of dynamic coexistence, a place where the pulse of metropolitan life blends with the quieter rhythms of suburban neighborhoods and the lingering presence of once-rural landscapes. The history of Union County is deeply interwoven with the industrial and agricultural heritage of New Jersey, a story that began with early settlers drawn to its fertile ground and strategic waterways. For centuries, farming was a cornerstone, with dairy and produce flourishing, the land yielding its bounty under the diligence of generations. As the nation industrialized, Union County transformed, becoming a hub for manufacturing and innovation, particularly in the realms of machinery, chemicals, and transportation. This economic evolution has left an indelible mark, with remnants of its industrial past coexisting with modern business parks and commercial centers. The spirit of enterprise, however, remains a defining element of Union County's economy, adapting and thriving through cycles of growth and change. Culturally, Union County offers a rich and diverse experience, reflecting the varied populations that call it home. While it doesn't host major professional sports franchises within its direct borders, its proximity to New York City provides ample access to the NFL's Giants and Jets, the NBA's Knicks and Nets, the MLB's Yankees and Mets, and the NHL's Rangers and Islanders. For those seeking local sporting pursuits, the county boasts numerous parks and recreational facilities. Major annual events, from local festivals celebrating diverse heritages to the vibrant holiday markets, punctuate the calendar. World-famous landmarks are more abundant in the surrounding metropolitan area, but within Union County itself, notable attractions include the historic Liberty Hall Museum in Elizabeth and the serene grounds of the Unami Park. The county is also home to renowned universities like Kean University, a beacon of higher education and cultural programming. The creative spirit of Union County has been expressed through notable individuals, though perhaps none have achieved universal global fame solely from their Union County roots, its residents have contributed significantly across various fields, embodying the quiet ambition that characterizes the region.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Union County 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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LocationUnion County, Union County, New Jersey
Coordinates40.6595°N, 74.288354°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)07016, 07087, 07083
Area Code201, 551
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Union County, New Jersey Weather Page

This page provides live weather conditions and forecasts for Union County, New Jersey, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Union County includes coordinates 40.659500°N, 74.288354°W, situated in Union County. ZIP code 07016, 07087, 07083. Telephone area code: 201, 551. Timezone: Eastern Time (America/New_York).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.