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Peterborough, New Hampshire

Community in Hillsborough County, New Hampshire

Air quality

The air at Peterborough

Index 30, good, led by ozone. Read at 2 AM from its reporting area, Hillsborough County (NH), 13 miles off.

30Good
  • Fine particles (PM2.5)10Good-
  • Ozone30Good-
  • Coarse particles (PM10)3Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 31, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Peterborough

None in the last 24 hours; 1.50 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.50in

Visibility

How far you can see at Peterborough, the next 42 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Peterborough, 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 now4 instruments

measured daily2 instruments

Peterborough 0.3 ENH-HL-11

In a volunteer observer's own ground/0.1 mi away/800 ft/19 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Jaffrey Municipal, drawn

The nearest airport reporting now, 5.6 mi from Peterborough, New Hampshire. From its report of Oct 16, 2026, 2:52 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,900 ft, broken at 8,000 ft, broken at 9,000 ft; the ceiling is 8,000 ft; visibility 10 mi or more.

Section of the sky over Jaffrey Municipal, height above the station to scale: a few clouds cloud with its base at 1,900 feet, broken cloud with its base at 8,000 feet, broken cloud with its base at 9,000 feet, the ceiling at 8,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AFNFIG. A THE SKY OVER JAFFREY 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 9,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 8,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYFEW 1,900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 8,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEJaffrey Municipal, the skySTATION REPORT · ASOS AFNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AFN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

45.0 F with a dew point of 42.0 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 1,900 ft.

Chart of the air at Jaffrey Municipal: temperature 45.0 degrees Fahrenheit and dew point 42.0, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 1,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AFNFIG. B THE AIR AT JAFFREY 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 F60 FSATURATES 700 FT ABOVE THE STATION, AT 41.3 FLOWEST CLOUD REPORTED, FEW 1,900 FTTEMPERATURE 45.0 FDEW POINT 42.0 FSPREAD 3.0 FRELATIVE HUMIDITY 89 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 POINTTITLEJaffrey Municipal, the airSTATION REPORT · ASOS AFNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AFN-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 Jaffrey 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 AFNFIG. C THE WIND AT JAFFREY 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 FORCE73TITLEJaffrey Municipal, the windSTATION REPORT · ASOS AFNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AFN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Edward Macdowell Lake (MCDN3), 1.9 miles from here, read 14 Oct, 07:00. measured daily

Elsewhere in New Hampshire

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

Near Peterborough

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

Near Peterborough

River and lake gauges