Portsmouth, New Hampshire Weather
Portsmouth, New Hampshire — 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 Portsmouth, Rockingham County.
Tides, marine forecast and fishing conditions near Portsmouth. Tide source:
Flight conditions near Portsmouth. Data source: locating…
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.
Live animated radar for Portsmouth 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 | Portsmouth, Rockingham County, New Hampshire |
| Coordinates | 43.071755°N, 70.762553°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 03801, 03802, 03803, 03804 |
| Area Code | 603 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Portsmouth, New Hampshire Weather Page
This page provides live weather conditions and forecasts for Portsmouth, New Hampshire, 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 Portsmouth includes coordinates 43.071755°N, 70.762553°W, situated in Rockingham County. ZIP code 03801, 03802, 03803, 03804. Telephone area code: 603. 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.
