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Rockland, Maine

City in Knox County, Maine

Air quality

The air at Rockland

Index 20, good, led by ozone. Read at 1 AM from its reporting area, Mid-Coast (ME), 23 miles off.

20Good
  • Fine particles (PM2.5)16Good-
  • Ozone20Good-
  • Coarse particles (PM10)5Good-

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 10, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Rockland

None in the last 24 hours; 1.20 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.20in

Visibility

How far you can see at Rockland, the next 43 hours

Dense fog: visibility falls to 0 miles Fri 5 PM, under a mile for 2 hours.

FriSat

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

What is measuring near here

The 6 instruments nearest Rockland, 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

West RockportWRKM1

At a river or reservoir gauge/6.0 mi away/384 ft/344 ft above here

temp, wind, gust, humidity, pressure

Rank140of 422

measured daily2 instruments

Rockland 1.5 SEME-KX-4

In a volunteer observer's own ground/0.2 mi away/29 ft/11 ft below here

precip, snowfall, snow depth

Rank-

West RockportWRKM1

At a cooperative observer's station/6.0 mi away/384 ft/344 ft above here

snowfall, snow depth, precip, high, low

Rank70of 422

Station report

The weather at Rockland/Knox(AWOS), drawn

The nearest airport reporting now, 3.4 mi from Rockland, Maine. From its report of Oct 16, 2026, 1:56 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Rockland/Knox(AWOS), height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RKDFIG. A THE SKY OVER ROCKLAND/KNOX(AWOS)SECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERockland/Knox(AWOS), the skySTATION REPORT · ASOS RKDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RKD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

35.0 F with a dew point of 34.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.

Chart of the air at Rockland/Knox(AWOS): temperature 35.0 degrees Fahrenheit and dew point 34.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RKDFIG. B THE AIR AT ROCKLAND/KNOX(AWOS)THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 200 FT ABOVE THE STATION, AT 33.7 FTEMPERATURE AND DEW POINT 35.0 F, 34.0 FRELATIVE HUMIDITY 96 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 POINTTITLERockland/Knox(AWOS), the airSTATION REPORT · ASOS RKDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RKD-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (270 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Rockland/Knox(AWOS), north up: blowing from 270 degrees, the west, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RKDFIG. C THE WIND AT ROCKLAND/KNOX(AWOS)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 270°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERockland/Knox(AWOS), the windSTATION REPORT · ASOS RKDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RKD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Rockland/Knox(AWOS), in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Maine

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

Near Rockland

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

Near Rockland

River and lake gauges