South Dennis, Massachusetts — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for South Dennis, Barnstable County.
Tides, marine forecast and fishing conditions near South Dennis. Tide source:
Full aviation weather for South Dennis is published on the Cape Cod Gateway Airport (KHYA) page, 10 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of South Dennis have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near South Dennis: Chatham Municipal Airport (KCQX) 14 km · Cape Cod Coast Guard Air Station (KFMH) 30 km · Provincetown Municipal Airport (KPVC) 43 km · Nantucket Memorial Airport (KACK) 49 km · Martha's Vineyard Airport (KMVY) 50 km
Conditions reported at KHYA describe the airfield itself. Weather 10 km away can differ, particularly in terrain or near the coast. For conditions at South Dennis specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for South Dennis.
South Dennis rests on the eastern shoulder of Cape Cod, a place where the land gently slopes towards the shimmering waters of the Bass River and the expansive tidal flats of Nantucket Sound. It lies 7.4 miles east of Barnstable, MA (from Barnstable, MA: bearing 96°T), and is situated 8.4 miles south of Cape Cod. Here, the air carries the briny tang of the sea, a constant companion to the rustle of salt-tolerant grasses and the distant cries of gulls. Oak and pine trees, their branches often sculpted by the persistent coastal winds, cast dappled shade over winding lanes lined with weathered clapboard homes. The terrain is a subtle mosaic of sandy loam and marshy hollows, a landscape shaped by the ebb and flow of tides and the slow, deliberate work of glaciers long past. In the late afternoon, the light here can take on a peculiar softness, a mellow gold that washes over the weathered shingles and highlights the quiet stillness that settles over South Dennis as the day begins to wane. This part of Barnstable County, once a vital artery for maritime trade and whaling, now finds its economic pulse beating with the rhythm of tourism and local craftsmanship. The historic charm of South Dennis is evident in its well-preserved architecture, remnants of a bygone era when shipbuilding and fishing were the lifeblood of the community. The Bass River, a significant waterway, continues to draw pleasure craft and serves as a quiet reminder of its former commercial importance. Local businesses, from artisanal bakeries to independent boutiques, contribute to the distinctive character of South Dennis, offering a more intimate counterpoint to the larger resort towns. The legacy of its seafaring ancestors is subtly present, a quiet undercurrent in the way the community embraces the seasons and the enduring connection to the water that defines this stretch of the Cape.
Live animated radar for South 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 | South Dennis, Barnstable County, Massachusetts |
| Coordinates | 41.689555°N, 70.156408°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 02660 |
| Area Code | 339, 351, 413, 508, 617, 774, 781, 857, 978 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for South Dennis, Massachusetts, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. 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 South Dennis includes coordinates 41.689555°N, 70.156408°W, situated in Barnstable County. ZIP code 02660. 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. 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.