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Bristol, New Hampshire

Community in Grafton County, New Hampshire

Air quality

The air at Bristol

Index 9, good, led by fine particles. Read at 10 PM from its reporting area, Belknap County (NH), 17 miles off.

9Good
  • Fine particles (PM2.5)9Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 8, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 2 PM.

FriSat

Precipitation

What has fallen at Bristol

None in the last 24 hours; 0.52 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
0.52in

Visibility

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

Mist or haze: visibility falls to 2 miles Fri 11 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Bristol, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now5 instruments

Ashland I-93NHASL

Beside a road/9.2 mi away/600 ft/113 ft above here

temp, pavement temp, wind, visibility, precip

Rank306of 385

Plymouth1P1

At an airfield/12.9 mi away/505 ft/18 ft above here

temp, wind, gust, visibility, precip, pressure

Rank216of 385

Mascoma RiverS2043

At a soil climate station/19.1 mi away/1,400 ft/913 ft above here

temp, humidity, soil temp, soil moisture

Rank205of 385

measured daily2 instruments

Bristol 0.8 SENH-GR-42

In a volunteer observer's own ground/0.2 mi away/460 ft/27 ft below here

precip, snowfall, snow depth

Rank-

DamFFLN3

At a dam/9.8 mi away/463 ft/24 ft below here

snowfall, snow depth, precip, high, low

Rank247of 385

Station report

The weather at Plymouth, drawn

The nearest airport reporting now, 12.9 mi from Bristol, New Hampshire. From its report of Oct 15, 2026, 10:35 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 Plymouth, 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 1P1FIG. A THE SKY OVER PLYMOUTHSECTION, 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 MORE0510TITLEPlymouth, the skySTATION REPORT · ASOS 1P1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-1P1-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

35.0 F with a dew point of 34.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.

Chart of the air at Plymouth: temperature 35.0 degrees Fahrenheit and dew point 34.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1P1FIG. B THE AIR AT PLYMOUTHTHE 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 200 FT ABOVE THE STATION, AT 33.7 FTEMPERATURE AND DEW POINT 35.0 F, 34.0 FRELATIVE HUMIDITY 96 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 POINTTITLEPlymouth, the airSTATION REPORT · ASOS 1P1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-1P1-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Plymouth, 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 1P1FIG. C THE WIND AT PLYMOUTHPLAN, 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 FORCE73TITLEPlymouth, the windSTATION REPORT · ASOS 1P1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-1P1-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Dam (FFLN3), 9.8 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 Bristol

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

Near Bristol

River and lake gauges