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Hillsborough, New Hampshire

Community in Hillsborough County, New Hampshire

Air quality

The air at Hillsborough

Index 31, good, led by ozone. Read at 1 AM from its reporting area, Hillsborough County (NH), 16 miles off.

31Good
  • Fine particles (PM2.5)9Good17.2 mi
  • Ozone31Good34 ppb17.2 mi
  • Coarse particles (PM10)3Good17.2 mi
  • Sulfur dioxide0Good0.1 ppb17.2 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 7, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Hillsborough

None in the last 24 hours; 0.49 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.49in

Visibility

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

Mist or haze: visibility falls to 2 miles Fri 8 PM.

FriSat

On the radar over Hillsborough, New HampshireReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Hillsborough, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.9 miles away.

measured now4 instruments

Horace LakeHRLN3

At a river or reservoir gauge/6.2 mi away/675 ft/32 ft above here

temp, wind, gust, humidity, pressure

Rank161of 385

89 S Warner006NH

Beside a road/12.5 mi away/449 ft/194 ft below here

temp, pavement temp, wind, visibility, precip

Rank305of 385

measured daily2 instruments

Antrim 4.1 NWNH-HL-108

In a volunteer observer's own ground/5.9 mi away/1,049 ft/406 ft above here

precip, snowfall, snow depth

Rank246of 385

West HopkintonWHPN3

At a cooperative observer's station/8.7 mi away/413 ft/230 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Concord Municipal, drawn

The nearest airport reporting now, 20.7 mi from Hillsborough, New Hampshire. From its report of Oct 16, 2026, 12:51 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 Concord 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 CONFIG. A THE SKY OVER CONCORD 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 MORE0510TITLEConcord Municipal, the skySTATION REPORT · ASOS CONTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CON-1DRAWN AS linework on paperSOURCES FB-SKY-001

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.

Chart of the air at Concord Municipal: 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; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CONFIG. B THE AIR AT CONCORD 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 STATION01,0002,0003,00030 F40 F50 FSATURATES 500 FT ABOVE THE STATION, AT 36.5 FTEMPERATURE 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 POINTTITLEConcord Municipal, the airSTATION REPORT · ASOS CONTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CON-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 Concord Municipal, 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 CONFIG. C THE WIND AT CONCORD MUNICIPALPLAN, 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 FORCE73TITLEConcord Municipal, the windSTATION REPORT · ASOS CONTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CON-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at West Hopkinton (WHPN3), 8.7 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in New Hampshire

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

Near Hillsborough

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

Near Hillsborough

River and lake gauges