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Hallowell, Maine

City in Kennebec County, Maine

Air quality

The air at Hallowell

Index 32, good, led by fine particles. Read at 11 PM from its reporting area, Western Interior (ME), 23 miles off.

32Good
  • Fine particles (PM2.5)32Good24.8 mi
  • Ozone8Good-
  • Coarse particles (PM10)12Good24.8 mi

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 19, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Hallowell

None in the last 24 hours; 1.40 in over the last 3 days, to Thu 10 PM. 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 Hallowell, the next 46 hours

Dense fog: visibility falls to 0.1 miles Fri 4 PM, under a mile for 2 hours.

FriSat

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

What is measuring near here

The 6 instruments nearest Hallowell, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

MaineDoT - Richmond 2020ME018

Beside a road/10.7 mi away/161 ft/43 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Hallowell 0.8 SEME-KB-18

In a volunteer observer's own ground/0.3 mi away/315 ft/111 ft above here

precip, snowfall, snow depth

Rank-

GardinerGARM1

At a cooperative observer's station/4.9 mi away/223 ft/19 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Augusta State Arpt, drawn

The nearest airport reporting now, 2.3 mi from Hallowell, Maine. From its report of Oct 15, 2026, 10:53 PM 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 Augusta State Arpt, 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 AUGFIG. A THE SKY OVER AUGUSTA STATE ARPTSECTION, 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 MORE0510TITLEAugusta State Arpt, the skySTATION REPORT · ASOS AUGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AUG-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

42.0 F with a dew point of 34.0 F, 73 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,800 ft up.

Chart of the air at Augusta State Arpt: temperature 42.0 degrees Fahrenheit and dew point 34.0, 73 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AUGFIG. B THE AIR AT AUGUSTA STATE ARPTTHE 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 1,800 FT ABOVE THE STATION, AT 32.3 FTEMPERATURE 42.0 FDEW POINT 34.0 FSPREAD 8.0 FRELATIVE HUMIDITY 73 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 POINTTITLEAugusta State Arpt, the airSTATION REPORT · ASOS AUGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AUG-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Augusta State Arpt, 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 AUGFIG. C THE WIND AT AUGUSTA STATE ARPTPLAN, 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 FORCE73TITLEAugusta State Arpt, the windSTATION REPORT · ASOS AUGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AUG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Augusta State Arpt, in 6 sheets, each beside the Field Book plates that explain it

-

Snow on the ground

Elsewhere in Maine

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

Near Hallowell

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

Near Hallowell

River and lake gauges