Dennis, Massachusetts — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for Dennis, Barnstable County.
Tides, marine forecast and fishing conditions near Dennis. Nearest NOAA tide station:
Flight conditions near Dennis — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…
Live animated radar for Dennis 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
Dennis sprawls across the mid-Cape, a landscape shaped by the relentless push and pull of the Atlantic and the quieter, reflective waters of its bays. It lies 5.8 miles south-south-west of Cape Cod, MA (from Cape Cod, MA: bearing 205°T), and is situated 6.0 miles east-north-east of Barnstable. Rolling hills, softened by centuries of wind and weather, give way to the sandy textures of Cape Cod, where scrub pine and bayberry cling tenaciously to the earth. The air here carries the brine of the sea, a constant reminder of the ocean's proximity, and in the late afternoon, the light often takes on a diffused, hazy quality, softening the edges of the dunes and casting long shadows across the marsh grasses. Water is the dominant character, from the vibrant blue of Nantucket Sound to the whispering channels of the Bass River and the tranquil expanse of Cape Cod Bay, all of which dictate the flow of life and the very breath of Dennis. The history of Dennis is deeply entwined with the sea and the ingenuity of its people. Established in 1793, it was once a vital hub for whaling, its seafaring heritage evident in the weathered clapboard houses that still line some of its older roads. Today, its economy draws strength from tourism, with visitors drawn to its pristine beaches and the allure of the Cape's distinctive charm, yet it retains a working spirit, particularly in the fishing fleets that still ply the waters of the bays. The Cape Cod Canal, a modern marvel of engineering, bisects the Cape, subtly altering the traditional flow of traffic and commerce, and in Dennis, this intersection of old and new rhythms is palpable, a quiet hum beneath the surface of everyday life.
| Location | Dennis, Barnstable County, Massachusetts |
| Coordinates | 41.735387°N, 70.193909°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 02638 |
| Area Code | 339, 351, 413, 508, 617, 774, 781, 857, 978 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |