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Winter Harbor, Maine

Community in Hancock County, Maine

Air quality

The air at Winter Harbor

Index 21, good, led by ozone. Read at 12 PM from its reporting area, High Elevations of Acadia National Park (ME), 8 miles off.

21Good
  • Fine particles (PM2.5)-8.6 mi
  • Ozone21Good26 ppb7.6 mi
  • Coarse particles (PM10)-8.6 mi
  • Sulfur dioxide0Good0 ppb8.6 mi
  • Carbon monoxide-0.2 ppm8.6 mi

The days ahead

Good each day through Wed Oct 21, led by ozone. Yesterday measured 24, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 8 AM.

FriSatSun

Precipitation

What has fallen at Winter Harbor

None in the last 24 hours; 1.65 in over the last 3 days, to Fri 11 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.65in

Visibility

How far you can see at Winter Harbor, the next 45 hours

Dense fog: visibility falls to 0.1 miles Fri 6 PM, under a mile for 2 hours.

FriSatSun

On the radar over Winter Harbor, MaineReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Winter Harbor, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.9 miles away.

measured now3 instruments

Bar HaborBHB

At an airfield/14.1 mi away/79 ft/62 ft above here

temp, wind, gust, visibility, precip, pressure

Rank187of 422

measured daily2 instruments

East SurryESUM1

At a cooperative observer's station/19.6 mi away/99 ft/82 ft above here

snowfall, snow depth, precip, high, low

Rank188of 422

Station report

The weather at Bar Habor, drawn

The nearest airport reporting now, 14.1 mi from Winter Harbor, Maine. From its report of Oct 16, 2026, 12:18 PM local time: 3 of its 6 sheets.

The sky

Scattered at 2,300 ft, broken at 2,800 ft, overcast at 3,600 ft; the ceiling is 2,800 ft; visibility 8 mi.

Section of the sky over Bar Habor, height above the station to scale: scattered cloud with its base at 2,300 feet, broken cloud with its base at 2,800 feet, overcast cloud with its base at 3,600 feet, the ceiling at 2,800 feet, and visibility of 8 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BHBFIG. A THE SKY OVER BAR HABORSECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,600 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,300 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,800 FTVISIBILITY, MILES: 8 MI0510TITLEBar Habor, the skySTATION REPORT · ASOS BHBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BHB-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

51.8 F with a dew point of 46.4 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 2,300 ft.

Chart of the air at Bar Habor: temperature 51.8 degrees Fahrenheit and dew point 46.4, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 2,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BHBFIG. B THE AIR AT BAR HABORTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,200 FT ABOVE THE STATION, AT 45.2 FLOWEST CLOUD REPORTED, SCT 2,300 FTTEMPERATURE 51.8 FDEW POINT 46.4 FSPREAD 5.4 FRELATIVE HUMIDITY 82 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 POINTTITLEBar Habor, the airSTATION REPORT · ASOS BHBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BHB-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 20 mph, gusting 32 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Bar Habor, north up: blowing from 190 degrees, the south, at 20 miles an hour, gusting 32; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BHBFIG. C THE WIND AT BAR HABORPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 20 MPH6STRONG BREEZE257NEAR GALE32GUST, 32 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBar Habor, the windSTATION REPORT · ASOS BHBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BHB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Bar Habor, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at East Surry (ESUM1), 19.6 miles from here, read 15 Oct, 23:59. measured daily

Elsewhere in Maine

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

Near Winter Harbor

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

Near Winter Harbor

River and lake gauges