Onset, Massachusetts Weather
Onset, 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 Onset, Plymouth County.
Tides, marine forecast and fishing conditions near Onset. Tide source:
Full aviation weather for Onset is published on the Cape Cod Coast Guard Air Station (KFMH) page, 15 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 Onset 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 Onset: Plymouth Municipal Airport (KPYM) 20 km · New Bedford Regional Airport (KEWB) 26 km · Cape Cod Gateway Airport (KHYA) 32 km · Taunton Municipal King Field (KTAN) 33 km · Martha's Vineyard Airport (KMVY) 39 km
Conditions reported at KFMH describe the airfield itself. Weather 15 km away can differ, particularly in terrain or near the coast. For conditions at Onset specifically, see the current conditions and forecast above.
About Onset, Massachusetts
Onset breathes the salty tang of the sea, a peninsula jutting into the warm embrace of Buzzards Bay, its shores etched with sandy coves and rocky outcrops that catch the afternoon light. It lies 13.3 miles north of Falmouth, MA (from Falmouth, MA: bearing 350°T), and is situated 3.6 miles east-south-east of Wareham. The air here, even on a still day, carries a faint, insistent murmur of the tide, a constant reminder of the ocean's presence that shapes the very character of the place, from the weathered shingles of its beach houses to the hardy, salt-tolerant pines that stand sentinel along the shoreline. Summer evenings often bring a gentle haze, softening the edges of the horizon and lending a quiet, almost dreamlike quality to the waterfront, where the last fishing boats bob lazily at their moorings, their nets drying in the fading sun. This small corner of Plymouth County carries a rich legacy, once a hub for the burgeoning ice harvesting industry that supplied cities far and wide with the frozen bounty of its ponds, a history now echoed in the names of streets and the enduring charm of its Victorian architecture. Today, Onset’s economy hums with the seasonable rhythm of tourism, its marinas bustling with pleasure craft and its beaches drawing families seeking respite from the inland heat. The town’s distinctive Victorian streetscape, particularly around the picturesque town square, speaks of a bygone era when it was a popular resort destination, a time when steamboats plied these waters and grand hotels welcomed visitors to its shores, a spirit that still lingers in the friendly chatter at the local general store and the unhurried pace of its residents.
Live animated radar for Onset 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 | Onset, Plymouth County, Massachusetts |
| Coordinates | 41.741771°N, 70.65781°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 02558 |
| 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 |
About This Onset, Massachusetts Weather Page
This page provides live weather conditions and forecasts for Onset, 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 Onset includes coordinates 41.741771°N, 70.657810°W, situated in Plymouth County. ZIP code 02558. 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.
