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Lyndon, Vermont

Community in Caledonia County, Vermont

Air quality

The air at Lyndon

Index 14, good, led by fine particles. Read at 2 AM from its reporting area, Grafton County (NH), 41 miles off.

14Good
  • Fine particles (PM2.5)14Good-
  • Ozone11Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 25, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Lyndon

None in the last 24 hours; 1.25 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
1.25in

Visibility

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

Fog: visibility falls to 0.9 miles Fri 4 PM, under a mile for 1 hour.

FriSat

On the radar over Lyndon, VermontReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Lyndon, 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

LyndonvilleCDA

At an airfield/3.8 mi away/1,188 ft/471 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1of 354

NulheganNLHV1

At a river or reservoir gauge/23.3 mi away/1,234 ft/517 ft above here

temp, wind, gust, humidity, pressure

Rank104of 354

measured daily2 instruments

Lyndonville 1.5 SSWVT-CL-8

In a volunteer observer's own ground/0.1 mi away/770 ft/53 ft above here

precip, snowfall, snow depth

Rank-

Saint JohnsburySJBV1

At a cooperative observer's station/6.6 mi away/679 ft/38 ft below here

snowfall, snow depth, precip, high, low

Rank40of 354

Station report

The weather at St.Johnsbury MM128.7 I91 Sb Vt, drawn

The nearest instrument reporting now, 7.8 mi from Lyndon, Vermont. From its report of Oct 16, 2026, 2:40 AM local time: 3 of its 6 sheets.

The sky

No cloud reported; visibility 10 mi or more.

Section of the sky over St.Johnsbury MM128.7 I91 Sb Vt, height above the station to scale: no cloud reported, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VT016FIG. A THE SKY OVER ST.JOHNSBURY MM128.7 I91 SB VTSECTION, 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 STATIONNO CLOUD REPORTEDVISIBILITY, MILES: 10 MI OR MORE0510TITLESt.Johnsbury MM128.7 I91 Sb Vt, the skySTATION REPORT · RWIS VT016TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-VT016-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

35.8 F with a dew point of 34.9 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 St.Johnsbury MM128.7 I91 Sb Vt: temperature 35.8 degrees Fahrenheit and dew point 34.9, 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 VT016FIG. B THE AIR AT ST.JOHNSBURY MM128.7 I91 SB VTTHE 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 34.6 FTEMPERATURE AND DEW POINT 35.8 F, 34.9 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 POINTTITLESt.Johnsbury MM128.7 I91 Sb Vt, the airSTATION REPORT · RWIS VT016TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-VT016-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at St.Johnsbury MM128.7 I91 Sb Vt, 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 VT016FIG. C THE WIND AT ST.JOHNSBURY MM128.7 I91 SB VTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESt.Johnsbury MM128.7 I91 Sb Vt, the windSTATION REPORT · RWIS VT016TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-VT016-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The full report of St.Johnsbury MM128.7 I91 Sb Vt, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Saint Johnsbury (SJBV1), 6.6 miles from here, read 15 Oct, 16:00. measured daily

Elsewhere in Vermont

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

Near Lyndon

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

Near Lyndon

River and lake gauges