Enter your search query in the box below.

South Yarmouth, Massachusetts Weather

South Yarmouth, Massachusetts — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for South Yarmouth, Barnstable County.

🌡️ Current Conditions
Loading current conditions…
24-Hour Forecast
Loading hourly forecast…
Current Conditions Detail
Loading detail…
7-Day Forecast
Loading 7-day forecast…
🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near South Yarmouth. Tide source:

Loading fishing conditions…
Loading tide data…
Loading tide chart…
🎣 Best times to fish today (solunar)
Loading solunar times…
Loading marine conditions…
✈️ Aviation Weather

Full aviation weather for South Yarmouth is published on the Cape Cod Gateway Airport (KHYA) page, 8 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 Yarmouth 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 Yarmouth: Chatham Municipal Airport (KCQX) 16 km · Cape Cod Coast Guard Air Station (KFMH) 28 km · Provincetown Municipal Airport (KPVC) 45 km · Martha's Vineyard Airport (KMVY) 47 km · Nantucket Memorial Airport (KACK) 47 km

Conditions reported at KHYA describe the airfield itself. Weather 8 km away can differ, particularly in terrain or near the coast. For conditions at South Yarmouth specifically, see the current conditions and forecast above.

🌿 Air Quality
Loading air quality data…

About South Yarmouth, Massachusetts

South Yarmouth lies along the southern edge of Cape Cod, a place where the land gently slopes toward the salty embrace of Nantucket Sound. It lies 6.4 miles east-south-east of Barnstable, MA (from Barnstable, MA: bearing 111°T), and is situated 3.5 miles south-east of Yarmouth. Here, the air carries the persistent scent of pine and brine, a constant reminder of the proximity to the sea, even when it’s out of sight. Ancient oaks, their branches gnarled like the hands of fishermen, cast dappled shadows across manicured lawns and the occasional winding dirt track that leads to a hidden cove. The landscape is a mosaic of well-tended gardens, modest clapboard houses painted in hues of seafoam green and weathered grey, and stretches of sandy soil that give way to the resilient scrub of beach roses and bayberry. In the late afternoon, the sunlight slants low, painting the sky in soft oranges and pinks, and the silence is broken only by the distant cry of gulls and the murmur of the tide. This stretch of coast has long been shaped by the ebb and flow of human endeavor and the relentless power of the ocean. Originally settled by English colonists seeking fertile ground and access to the sea's bounty, South Yarmouth's economy was once deeply entwined with shipbuilding and maritime trade, its harbors buzzing with the activity of sailmakers and shipwrights. While those days of bustling docks have largely faded, the spirit of commerce persists, now centered on the vibrant summer tourism that draws visitors to its sun-drenched beaches and quaint village centers. A notable landmark, the Old Grist Mill, stands as a silent sentinel to a more agrarian past, its weathered timbers whispering tales of a time when the land itself provided sustenance. The local character of South Yarmouth is one of quiet resilience, a blend of old Cape Cod charm and the modern conveniences that cater to both year-round residents and seasonal visitors, all under the broad, ever-changing canvas of the New England sky.

NWS Extended Forecast
Loading NWS forecast…
📡 Precipitation Radar

Live animated radar for South Yarmouth and surroundings — RainViewer.

Loading radar…
🛰️ 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
Calculating…
LocationSouth Yarmouth, Barnstable County, Massachusetts
Coordinates41.666778°N, 70.184741°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)02664
Area Code339, 351, 413, 508, 617, 774, 781, 857, 978
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This South Yarmouth, Massachusetts Weather Page

This page provides live weather conditions and forecasts for South Yarmouth, 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 Yarmouth includes coordinates 41.666778°N, 70.184741°W, situated in Barnstable County. ZIP code 02664. 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.