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Troy, New Hampshire

Community in Cheshire County, New Hampshire

Air quality

The air at Troy

Index 32, good, led by fine particles. Read at 11 PM from its reporting area, Cheshire County (NH), 7 miles off.

32Good
  • Fine particles (PM2.5)32Good8.4 mi
  • Ozone9Good8 ppb8.4 mi
  • Coarse particles (PM10)-15.4 mi
  • Sulfur dioxide0Good0.1 ppb15.4 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 27, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Troy

None in the last 24 hours; 0.51 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
0.51in

Visibility

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

Mist or haze: visibility falls to 2 miles Fri 7 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Troy, 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 now4 instruments

measured daily2 instruments

Fitzwiliam 3.6 WSWNH-CH-17

In a volunteer observer's own ground/4.2 mi away/1,269 ft/261 ft above here

precip, snowfall, snow depth

Rank-

Otter Brook LakeOTTN3

At a cooperative observer's station/8.9 mi away/886 ft/122 ft below here

snowfall, snow depth, precip, high, low

Rank290of 385

Station report

The weather at Keene/Dillant(AWOS), drawn

The nearest airport reporting now, 6.7 mi from Troy, New Hampshire. From its report of Oct 15, 2026, 11:56 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 Keene/Dillant(AWOS), 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 EENFIG. A THE SKY OVER KEENE/DILLANT(AWOS)SECTION, 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 MORE0510TITLEKeene/Dillant(AWOS), the skySTATION REPORT · ASOS EENTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EEN-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

40.0 F with a dew point of 40.0 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Keene/Dillant(AWOS): temperature 40.0 degrees Fahrenheit and dew point 40.0, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EENFIG. B THE AIR AT KEENE/DILLANT(AWOS)THE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 40.0 F, 40.0 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 POINTTITLEKeene/Dillant(AWOS), the airSTATION REPORT · ASOS EENTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EEN-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 Keene/Dillant(AWOS), 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 EENFIG. C THE WIND AT KEENE/DILLANT(AWOS)PLAN, 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 FORCE73TITLEKeene/Dillant(AWOS), the windSTATION REPORT · ASOS EENTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EEN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Keene/Dillant(AWOS), 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 Troy

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

Near Troy

River and lake gauges