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Limestone, Maine

Community in Aroostook County, Maine

Air quality

The air at Limestone

Index 34, good, led by fine particles. Read at 11 PM from its reporting area, Northern (ME), 68 miles off.

34Good
  • Fine particles (PM2.5)34Good17.6 mi
  • Coarse particles (PM10)6Good-

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 Limestone

None in the last 24 hours; 0.88 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
0.88in

Visibility

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

Mist or haze: visibility falls to 1 miles Fri 10 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Limestone, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.2 miles away.

measured now5 instruments

Limestone CRNLIZM1

At a river or reservoir gauge/6.5 mi away/751 ft/200 ft above here

temp, wind, gust, humidity, pressure

Rank99of 422

measured daily2 instruments

Caribou 0.8 WME-AR-32

In a volunteer observer's own ground/9.1 mi away/542 ft/9 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Caribou Municipal, drawn

The nearest airport reporting now, 9.6 mi from Limestone, Maine. From its report of Oct 15, 2026, 11:54 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 Caribou Municipal, 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 CARFIG. A THE SKY OVER CARIBOU MUNICIPALSECTION, 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 MORE0510TITLECaribou Municipal, the skySTATION REPORT · ASOS CARTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CAR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

32.0 F with a dew point of 27.0 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,100 ft up.

Chart of the air at Caribou Municipal: temperature 32.0 degrees Fahrenheit and dew point 27.0, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CARFIG. B THE AIR AT CARIBOU MUNICIPALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00010 F20 F30 F40 FSATURATES 1,100 FT ABOVE THE STATION, AT 25.9 FTEMPERATURE 32.0 FDEW POINT 27.0 FSPREAD 5.0 FRELATIVE HUMIDITY 82 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 POINTTITLECaribou Municipal, the airSTATION REPORT · ASOS CARTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CAR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (250 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Caribou Municipal, north up: blowing from 250 degrees, the west southwest, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CARFIG. C THE WIND AT CARIBOU MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 250°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECaribou Municipal, the windSTATION REPORT · ASOS CARTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CAR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Presque Isle Hilltop (PRQM1), 17.4 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 Limestone

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

Near Limestone

River and lake gauges