Dennis, Massachusetts Weather
Dennis, Massachusetts — 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, soil and crop conditions for Dennis, Barnstable County.
Tides, marine forecast and fishing conditions near Dennis. Tide source:
Flight conditions near Dennis. Data source: locating…
Soil conditions, frost risk and crop weather for Dennis.
About Dennis, Massachusetts
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.
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
| 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 | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Dennis, Massachusetts Weather Page
This page provides live weather conditions and forecasts for Dennis, Massachusetts, 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 Dennis includes coordinates 41.735387°N, 70.193909°W, situated in Barnstable County. ZIP code 02638. Telephone area code: 339, 351, 413, 508, 617, 774, 781, 857, 978. 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.
