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Westbrook, Maine

City in Cumberland County, Maine

Air quality

The air at Westbrook

Index 27, good, led by fine particles. Read at 11 PM from its reporting area, Southwest Coast (ME), 7 miles off.

27Good
  • Fine particles (PM2.5)27Good-
  • Ozone26Good23 ppb11.2 mi
  • Coarse particles (PM10)9Good-

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 21, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Westbrook

None in the last 24 hours; 1.25 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.25in

Visibility

How far you can see at Westbrook, the next 45 hours

Dense fog: visibility falls to 0.1 miles Fri 2 PM, under a mile for 3 hours.

FriSat

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

What is measuring near here

The 6 instruments nearest Westbrook, 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

MaineDoT - Falmouth 2020ME016

Beside a road/5.7 mi away/10 ft/63 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

PortlandNDBC-CASM1

At a river or reservoir gauge/5.9 mi away/-/- ft from here

temp, wind, gust, humidity, pressure

Rank400of 422

measured daily2 instruments

Westbrook 1.2 SSWME-CM-64

In a volunteer observer's own ground/0.2 mi away/54 ft/19 ft below here

precip, snowfall, snow depth

Rank-

Windham 2NWWNDM1

At a cooperative observer's station/13.3 mi away/384 ft/311 ft above here

snowfall, snow depth, precip, high, low

Rank370of 422

Station report

The weather at Portland INTL Jet, drawn

The nearest airport reporting now, 3.8 mi from Westbrook, Maine. From its report of Oct 15, 2026, 11:51 PM local time: 3 of its 6 sheets.

The sky

Broken at 12,000 ft; the ceiling is 12,000 ft; visibility 10 mi or more.

Section of the sky over Portland INTL Jet, height above the station to scale: broken cloud with its base at 12,000 feet, the ceiling at 12,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PWMFIG. A THE SKY OVER PORTLAND INTL JETSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,50020,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 12,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPortland INTL Jet, the skySTATION REPORT · ASOS PWMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PWM-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

39.0 F with a dew point of 37.0 F, 92 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 12,000 ft.

Chart of the air at Portland INTL Jet: temperature 39.0 degrees Fahrenheit and dew point 37.0, 92 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 12,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PWMFIG. B THE AIR AT PORTLAND INTL JETTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 FSATURATES 500 FT ABOVE THE STATION, AT 36.5 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, BKN 12,000 FTTEMPERATURE AND DEW POINT 39.0 F, 37.0 FRELATIVE HUMIDITY 92 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 POINTTITLEPortland INTL Jet, the airSTATION REPORT · ASOS PWMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PWM-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (10 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 35 mph.

Plan of the wind at Portland INTL Jet, north up: blowing from 10 degrees, the north, 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 PWMFIG. C THE WIND AT PORTLAND INTL JETPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 10°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPortland INTL Jet, the windSTATION REPORT · ASOS PWMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PWM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Portland INTL Jet, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Windham 2NW (WNDM1), 13.3 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Maine

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

Near Westbrook

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

Near Westbrook

River and lake gauges