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East Dennis, Massachusetts

Community in Barnstable County, Massachusetts

Air quality

The air at East Dennis

Index 30, good, led by ozone. Read at 1 PM from its reporting area, Cape Cod and Islands (MA), 12 miles off.

30Good
  • Ozone30Good29 ppb18.4 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 30, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 8 AM.

FriSatSun

Precipitation

What has fallen at East Dennis

0.10 in in the last 24 hours, 0.14 in over the last 3 days, to Fri 12 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.10in
Last 3 days
0.14in

Visibility

How far you can see at East Dennis, the next 43 hours

Dense fog: visibility falls to 0.1 miles Fri 8 PM, under a mile for 3 hours.

FriSatSun

On the radar over East Dennis, MassachusettsReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest East Dennis, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

SandwichSANM3

At a river or reservoir gauge/17.8 mi away/7 ft/72 ft below here

temp, wind, gust, humidity, pressure

Rank352of 744

measured daily2 instruments

East Dennis 0.4 SMA-BA-100

In a volunteer observer's own ground/0.2 mi away/102 ft/23 ft above here

precip, snowfall, snow depth

Rank-

Wpc FacilityHYSM3

At a cooperative observer's station/8.5 mi away/43 ft/36 ft below here

snowfall, snow depth, precip, high, low

Rank350of 744

Station report

The weather at Hyannis/Polando Fld, drawn

The nearest airport reporting now, 7.5 mi from East Dennis, Massachusetts. From its report of Oct 16, 2026, 12:56 PM local time: 3 of its 6 sheets.

The sky

Overcast at 300 ft; the ceiling is 300 ft; visibility 4 mi.

Section of the sky over Hyannis/Polando Fld, height above the station to scale: overcast cloud with its base at 300 feet, the ceiling at 300 feet, and visibility of 4 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HYAFIG. A THE SKY OVER HYANNIS/POLANDO FLDSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 300 FTVISIBILITY, MILES: 4 MI0510TITLEHyannis/Polando Fld, the skySTATION REPORT · ASOS HYATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HYA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.0 F with a dew point of 62.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 300 ft.

Chart of the air at Hyannis/Polando Fld: temperature 62.0 degrees Fahrenheit and dew point 62.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HYAFIG. B THE AIR AT HYANNIS/POLANDO FLDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 300 FTTEMPERATURE AND DEW POINT 62.0 F, 62.0 FRELATIVE HUMIDITY 100 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEHyannis/Polando Fld, the airSTATION REPORT · ASOS HYATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HYA-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 12 mph, gusting 21 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Hyannis/Polando Fld, north up: blowing from 200 degrees, the south southwest, at 12 miles an hour, gusting 21; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HYAFIG. C THE WIND AT HYANNIS/POLANDO FLDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 21 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHyannis/Polando Fld, the windSTATION REPORT · ASOS HYATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HYA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Hyannis/Polando Fld, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Wpc Facility (HYSM3), 8.5 miles from here, read 15 Oct, 08:33. measured daily

Elsewhere in Massachusetts

17 places, each with its own forecast and its own instruments.

Near East Dennis

The nearest places, each with its own forecast and the instruments nearest it.

Near East Dennis

River and lake gauges