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Falmouth Foreside, Maine

Community in Cumberland County, Maine

Air quality

The air at Falmouth Foreside

Index 23, good, led by ozone. Read at 3 AM from its reporting area, Southwest Coast (ME), 5 miles off.

23Good
  • Fine particles (PM2.5)18Good-
  • Ozone23Good-
  • Coarse particles (PM10)5Good-

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 26, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Falmouth Foreside

None in the last 24 hours; 1.40 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.40in

Visibility

How far you can see at Falmouth Foreside, the next 42 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Falmouth Foreside, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now4 instruments

MaineDoT - Falmouth 2020ME016

Beside a road/2.3 mi away/10 ft/98 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

PortlandNDBC-CASM1

At a river or reservoir gauge/5.5 mi away/-/- ft from here

temp, wind, gust, humidity, pressure

Rank400of 422

measured daily2 instruments

Cumberland Foreside 1.7 SSWME-CM-135

In a volunteer observer's own ground/1.0 mi away/83 ft/25 ft below here

precip, snowfall, snow depth

Rank-

Gray NWS WFOGYX

At a cooperative observer's station/11.1 mi away/407 ft/299 ft above here

snowfall, snow depth, precip, high, low

Rank257of 422

Station report

The weather at Portland INTL Jet, drawn

The nearest airport reporting now, 7.6 mi from Falmouth Foreside, Maine. From its report of Oct 16, 2026, 2:51 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 Portland INTL Jet, 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 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 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 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

The air

41.0 F with a dew point of 37.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at Portland INTL Jet: temperature 41.0 degrees Fahrenheit and dew point 37.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station; 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 STATION01,0002,0003,00030 F40 F50 FSATURATES 900 FT ABOVE THE STATION, AT 36.1 FTEMPERATURE 41.0 FDEW POINT 37.0 FSPREAD 4.0 FRELATIVE HUMIDITY 86 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

Calm.

Plan of the wind at Portland INTL Jet, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT 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 Gray NWS WFO (GYX), 11.1 miles from here, read 15 Oct, 14:00. measured daily

Elsewhere in Maine

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

Near Falmouth Foreside

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

Near Falmouth Foreside

River and lake gauges