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Newmarket, New Hampshire

Community in Rockingham County, New Hampshire

Air quality

The air at Newmarket

Index 19, good, led by ozone. Read at 10 PM from its reporting area, Coastal Rockingham County (NH), 6 miles off.

19Good
  • Fine particles (PM2.5)13Good9.7 mi
  • Ozone19Good4 ppb9.7 mi
  • Coarse particles (PM10)6Good9.7 mi
  • Sulfur dioxide1Good1.6 ppb9.7 mi

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 21, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 2 PM.

FriSat

Precipitation

What has fallen at Newmarket

None in the last 24 hours; 0.82 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.82in

Visibility

How far you can see at Newmarket, the next 41 hours

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

FriSat

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

What is measuring near here

The 7 instruments nearest Newmarket, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now5 instruments

Durham 2 SSW54795

At a climate reference station/1.5 mi away/63 ft/17 ft above here

temp, humidity, wind, solar, precip

Rank207of 385

measured daily2 instruments

Newmarket 0.3 ESENH-RC-9

In a volunteer observer's own ground/0.4 mi away/43 ft/3 ft below here

precip, snowfall, snow depth

Rank-

DurhamDURN3

At a cooperative observer's station/5.0 mi away/112 ft/66 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Pease AFB/Portsmout, drawn

The nearest airport reporting now, 5.9 mi from Newmarket, New Hampshire. From its report of Oct 15, 2026, 9:55 PM local time: 3 of its 6 sheets.

The sky

Scattered at 25,000 ft; visibility 10 mi or more.

Section of the sky over Pease AFB/Portsmout, height above the station to scale: scattered cloud with its base at 25,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PSMFIG. A THE SKY OVER PEASE AFB/PORTSMOUTSECTION, 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 STATION05,00010,00015,00020,00025,00030,00035,00040,000ETAGESLOWMIDDLEHIGHTHE STATIONSCT 25,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEPease AFB/Portsmout, the skySTATION REPORT · ASOS PSMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PSM-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-010, FB-SKY-011, FB-SKY-012

The air

43.3 F with a dew point of 41.0 F, 92 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 25,000 ft.

Chart of the air at Pease AFB/Portsmout: temperature 43.3 degrees Fahrenheit and dew point 41.0, 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, against the lowest cloud reported at 25,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PSMFIG. B THE AIR AT PEASE AFB/PORTSMOUTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 FSATURATES 500 FT ABOVE THE STATION, AT 40.5 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 25,000 FTTEMPERATURE AND DEW POINT 43.3 F, 41.0 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 POINTTITLEPease AFB/Portsmout, the airSTATION REPORT · ASOS PSMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PSM-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 Pease AFB/Portsmout, 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 PSMFIG. C THE WIND AT PEASE AFB/PORTSMOUTPLAN, 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 FORCE73TITLEPease AFB/Portsmout, the windSTATION REPORT · ASOS PSMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PSM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Pease AFB/Portsmout, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in New Hampshire

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

Near Newmarket

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

Near Newmarket

River and lake gauges