Storm Station
Groton, Vermont
56°
Light rain· Feels like 56°·Light air 3 mph NE
Rain showers likely. Cloudy, with a high near 62. Northeast wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
-UV
-Air quality
77%Humidity
93%Cloud

What is measuring near here

The 6 instruments nearest Groton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.3 miles away.

measured now4 instruments

Rt 302 Topsham VTVT038

Beside a road/5.6 mi away/1,854 ft/1,046 ft above here

temp, pavement temp, wind, visibility, precip

Rank83of 114

St Johnsbury1V4

At an airfield/16.9 mi away/712 ft/96 ft below here

temp, wind, gust, visibility, precip, pressure

Rank1of 114

Mount MansfieldS2041

At a soil climate station/38.7 mi away/2,236 ft/1,428 ft above here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Groton 4.4 NWVT-CL-33

In a volunteer observer's own ground/4.3 mi away/1,208 ft/400 ft above here

precip, snowfall, snow depth

Rank-

PlainfieldPLFV1

At a cooperative observer's station/11.7 mi away/850 ft/42 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at St Johnsbury, drawn

The nearest airport reporting now, 16.9 mi from Groton. From its report of Sep 27, 2026, 6:54 AM local time: 3 of its 4 sheets.

The air

55.0 F with a dew point of 47.0 F, 74 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,800 ft up.

Chart of the air at St Johnsbury: temperature 55.0 degrees Fahrenheit and dew point 47.0, 74 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1V4FIG. B THE AIR AT ST JOHNSBURYTHE 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 F70 FSATURATES 1,800 FT ABOVE THE STATION, AT 45.2 FTEMPERATURE 55.0 FDEW POINT 47.0 FSPREAD 8.0 FRELATIVE HUMIDITY 74 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, the airSTATION REPORT · ASOS 1V4TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-09-27IDSR-1V4-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 712 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.16 inHg and the temperature at 56.5 F; the station's altimeter setting of 29.96 inHg means its barometer reads 29.20 inHg; it reports 55.0 F, 1.5 F colder than standard.

Section from sea level of where St Johnsbury stands in the atmosphere, height to scale: the station 712 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.16 inches of mercury, and temperature, 56.5 degrees Fahrenheit; the altimeter setting of 29.96 and the station pressure it means, 29.20.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1V4FIG. D WHERE ST JOHNSBURY STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREST JOHNSBURY3 PER CENT OF THE AIR BELOW IT712 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.16 inHgSTANDARD TEMPERATURE HERE56.5 FALTIMETER SETTING, REPORTED29.96 inHgITS BAROMETER READS29.20 inHgTEMPERATURE, REPORTED55.0 FTITLESt Johnsbury, the columnSTATION REPORT · ASOS 1V4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-09-27IDSR-1V4-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Sep 27 the noon sun stands 44 degrees above the horizon at 44.42 N, and the day is 11 h 46 min long. Level ground there takes 69 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at St Johnsbury, angles true: on Sep 27 it stands 44 degrees above the horizon, against 69 at the June solstice, 46 at the equinoxes and 22 at the December solstice; the day is 11 h 46 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1V4FIG. E THE SUN AT ST JOHNSBURYELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 69°EQUINOXES 46°DECEMBER SOLSTICE 22°SEP 27, 44°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 46 MINLEVEL GROUND TAKES 69 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 44.42 N; THE SUN'S DECLINATION -1.8°TITLESt Johnsbury, the sunSTATION REPORT · ASOS 1V4TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-09-27IDSR-1V4-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of St Johnsbury, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Plainfield (PLFV1), 11.7 miles from here, read 26 Sep, 08:00. measured daily

Elsewhere in Vermont

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

Near Groton

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