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Bath, Maine

City in Sagadahoc County, Maine

Air quality

The air at Bath

Index 35, good, led by fine particles. Read at 12 AM from its reporting area, Western Interior (ME), 21 miles off.

35Good
  • Fine particles (PM2.5)35Good22.8 mi
  • Ozone6Good-
  • Coarse particles (PM10)11Good22.8 mi

The days ahead

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

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Bath

None in the last 24 hours; 2.35 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
2.35in

Visibility

How far you can see at Bath, the next 44 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Bath, 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

BrunswickBXM

At an airfield/6.0 mi away/62 ft/4 ft above here

temp, wind, gust, visibility, precip, pressure

Rank280of 422

MaineDoT - Freeport 2020ME017

Beside a road/13.3 mi away/138 ft/80 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Bath 1.9 SSEME-SG-13

In a volunteer observer's own ground/0.3 mi away/89 ft/31 ft above here

precip, snowfall, snow depth

Rank-

BathBTHM1

At a cooperative observer's station/2.0 mi away/1 ft/57 ft below here

snowfall, snow depth, precip, high, low

Rank69of 422

Station report

The weather at Brunswick, drawn

The nearest airport reporting now, 6.0 mi from Bath, Maine. From its report of Oct 16, 2026, 12:35 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 Brunswick, 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 BXMFIG. A THE SKY OVER BRUNSWICKSECTION, 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 MORE0510TITLEBrunswick, the skySTATION REPORT · ASOS BXMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BXM-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

33.8 F with a dew point of 33.8 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Brunswick: temperature 33.8 degrees Fahrenheit and dew point 33.8, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BXMFIG. B THE AIR AT BRUNSWICKTHE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 33.8 F, 33.8 FRELATIVE HUMIDITY 100 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 POINTTITLEBrunswick, the airSTATION REPORT · ASOS BXMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BXM-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 Brunswick, 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 BXMFIG. C THE WIND AT BRUNSWICKPLAN, 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 FORCE73TITLEBrunswick, the windSTATION REPORT · ASOS BXMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BXM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Bath (BTHM1), 2.0 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Maine

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

Near Bath

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

Near Bath

River and lake gauges