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New Castle, Delaware Weather

New Castle, Delaware — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for New Castle, New Castle 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 New Castle. Nearest NOAA tide station:

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✈️ Aviation Weather

Flight conditions near New Castle — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for New Castle 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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About New Castle, Delaware

New Castle, Delaware, unfolds with a quiet dignity along the broad curve of the Delaware River. It lies 5.9 miles south of Wilmington, DE (from Wilmington, DE: bearing 190°T), and is situated 9.9 miles east of Newark. Its landscape, a gentle transition from the river's edge to rolling hills, is marked by the sturdy brick homes and mature trees that line its historic streets. The air here, especially on a late afternoon when the sun begins its descent, carries a faint, salty tang from the river, mingling with the scent of blooming magnolias in the warmer months. Cobblestone remnants peek through the asphalt in places, a subtle reminder of pathways worn smooth by generations. The overall character of New Castle is one of enduring grace, a place where the past feels not distant, but comfortably present. This riverfront settlement, rich in colonial history, was once the capital of Delaware, a vital hub for trade and governance. Its economy, historically tied to the river and agriculture, has evolved, yet the echoes of its past are palpable in the preserved architecture and the enduring spirit of its residents. The historic New Castle Court House stands as a proud sentinel, having witnessed pivotal moments in the region's formation. While industry has ebbed and flowed, the deep-water port continues to play a role, and the nearby natural beauty of the Delaware Estuary provides a constant, calming presence, a reminder of the natural rhythms that have shaped New Castle for centuries.

LocationNew Castle, New Castle County, Delaware
Coordinates39.662057°N, 75.566313°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)19720, 19721, 19726
Area Code302
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service