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Portsmouth, New Hampshire Weather

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

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✈️ Aviation Weather

Flight conditions near Portsmouth — 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 Portsmouth 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 Portsmouth, New Hampshire

Portsmouth, a venerable New Hampshire seaport, commands a strategic position where the Piscataqua River meets the Atlantic, shaping its maritime history and economy. It lies 10.4 miles south-south-east of Dover, NH (from Dover, NH: bearing 147°T), and is situated 9.3 miles east-south-east of Durham. For centuries, its deep harbor has been a crucible for shipbuilding, trade, and naval presence, fostering a robust economy that once hummed with the industry of sailcloth and timber. The very air here carries the salty tang of the ocean, a constant reminder of its connection to global currents, while the resilient granite foundations of its earliest structures speak to a history of enduring craftsmanship. This coastal setting has always dictated Portsmouth's fortunes, from its days as a vital colonial hub to its modern embrace of tourism and its continued role as a significant naval base. The cultural character of Portsmouth is a rich blend of seafaring grit and sophisticated charm, where the echoes of its past mingle with a vibrant present. Visitors are drawn to historic Strawbery Banke Museum, a living history site that preserves centuries of domestic life, and the imposing presence of Fort Constitution, guarding the harbor's entrance. The University of New Hampshire, a short distance away, infuses the region with youthful energy and intellectual pursuits, while the city itself boasts a lively arts scene and a distinctive culinary landscape. Though no major professional sports teams call Portsmouth home, the spirit of competition can be felt in local leagues and during the annual Market Square Day, a cherished summer festival that draws crowds to celebrate the unique pulse of this New Hampshire gem.

LocationPortsmouth, Rockingham County, New Hampshire
Coordinates43.071755°N, 70.762553°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)03801, 03802, 03803, 03804
Area Code603
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service