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Union, New Hampshire

Community in Carroll County, New Hampshire

Air quality

The air at Union

Index 10, good, led by fine particles. Read at 12 PM from its reporting area, Belknap County (NH), 20 miles off.

10Good
  • Fine particles (PM2.5)10Good-
  • Ozone-21 ppb9.9 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 7, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 8 AM.

FriSatSun

Precipitation

What has fallen at Union

0.16 in in the last 24 hours, 0.73 in over the last 3 days, to Fri 11 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.16in
Last 3 days
0.73in

Visibility

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

Mist or haze: visibility falls to 1 miles Fri 1 PM.

FriSatSun

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

What is measuring near here

The 7 instruments nearest Union, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.2 miles away.

measured now5 instruments

Milton 3 PondsMLTN3

At a river or reservoir gauge/5.7 mi away/417 ft/77 ft below here

temp, wind, gust, humidity, pressure

Rank-

Citizen station N1EDUN1EDU

In a volunteer observer's own ground/12.0 mi away/521 ft/27 ft above here

temp, humidity, wind, precip, pressure

Rank-

Rochester (Was 6B1)DAW

At an airfield/15.5 mi away/341 ft/153 ft below here

temp, wind, gust, visibility, precip, pressure

Rank-

Durham 2 N54794

At a climate reference station/22.8 mi away/119 ft/375 ft below here

temp, humidity, wind, solar, precip

Rank-

Little Bay NH-16NHLBY

Beside a road/27.8 mi away/30 ft/464 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Middleton 1.3 SNH-ST-26

In a volunteer observer's own ground/3.2 mi away/681 ft/187 ft above here

precip, snowfall, snow depth

Rank-

WolfeburroWOLN3

At a cooperative observer's station/10.7 mi away/555 ft/61 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Rochester (Was 6B1), drawn

The nearest airport reporting now, 15.5 mi from Union, New Hampshire. From its report of Oct 16, 2026, 11:51 AM local time: 3 of its 6 sheets.

The sky

Overcast at 300 ft; the ceiling is 300 ft; visibility 4 mi.

Section of the sky over Rochester (Was 6B1), height above the station to scale: overcast cloud with its base at 300 feet, the ceiling at 300 feet, and visibility of 4 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DAWFIG. A THE SKY OVER ROCHESTER (WAS 6B1)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 SHEETOVC 300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 300 FTVISIBILITY, MILES: 4 MI0510TITLERochester (Was 6B1), the skySTATION REPORT · ASOS DAWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DAW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

52.0 F with a dew point of 52.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 300 ft.

Chart of the air at Rochester (Was 6B1): temperature 52.0 degrees Fahrenheit and dew point 52.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DAWFIG. B THE AIR AT ROCHESTER (WAS 6B1)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 STATION01,0002,0003,00040 F50 F60 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 300 FTTEMPERATURE AND DEW POINT 52.0 F, 52.0 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 POINTTITLERochester (Was 6B1), the airSTATION REPORT · ASOS DAWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DAW-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (160 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Rochester (Was 6B1), north up: blowing from 160 degrees, the south southeast, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DAWFIG. C THE WIND AT ROCHESTER (WAS 6B1)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 160°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERochester (Was 6B1), the windSTATION REPORT · ASOS DAWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DAW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Rochester (Was 6B1), in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Wolfeburro (WOLN3), 10.7 miles from here, read 16 Oct, 08:00. measured daily

Elsewhere in New Hampshire

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

Near Union

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

Near Union

River and lake gauges