Storm Station
Hopatcong, New Jersey
56°
Light rain· Feels like 56°·Gentle breeze 10 mph NNE
Rain showers. Cloudy, with a high near 62. Northeast wind 10 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
-UV
-Air quality
90%Humidity
74%Cloud

What is measuring near here

The 4 instruments nearest Hopatcong, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now2 instruments

TeetertownCALN4

At a river or reservoir gauge/16.4 mi away/997 ft/60 ft below here

temp, wind, gust, humidity, pressure

Rank15of 240

measured daily2 instruments

Mount Arlington 0.4 NNWNJ-MS-130

In a volunteer observer's own ground/1.5 mi away/966 ft/91 ft below here

precip, snowfall, snow depth

Rank-

Rockaway 2NROCN4

At a cooperative observer's station/8.3 mi away/791 ft/266 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Andover/Aeroflex-Andover Airport, drawn

The nearest airport reporting now, 6.2 mi from Hopatcong. From its report of Sep 27, 2026, 8:54 AM local time: 3 of its 5 sheets.

The air

58.0 F with a dew point of 56.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Andover/Aeroflex-Andover Airport: temperature 58.0 degrees Fahrenheit and dew point 56.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 12NFIG. B THE AIR AT ANDOVER/AEROFLEX-ANDOVER AIRPORTTHE 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 F70 FSATURATES 500 FT ABOVE THE STATION, AT 55.5 FTEMPERATURE AND DEW POINT 58.0 F, 56.0 FRELATIVE HUMIDITY 93 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 POINTTITLEAndover/Aeroflex-Andover Airport, the airSTATION REPORT · ASOS 12NTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-12N-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (10 degrees) at 9 mph, gusting 25 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Andover/Aeroflex-Andover Airport, north up: blowing from 10 degrees, the north, at 9 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 12NFIG. C THE WIND AT ANDOVER/AEROFLEX-ANDOVER AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 10°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAndover/Aeroflex-Andover Airport, the windSTATION REPORT · ASOS 12NTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-12N-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 584 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.30 inHg and the temperature at 56.9 F; the station's altimeter setting of 29.61 inHg means its barometer reads 28.99 inHg; it reports 58.0 F, 1.1 F warmer than standard.

Section from sea level of where Andover/Aeroflex-Andover Airport stands in the atmosphere, height to scale: the station 584 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.30 inches of mercury, and temperature, 56.9 degrees Fahrenheit; the altimeter setting of 29.61 and the station pressure it means, 28.99.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 12NFIG. D WHERE ANDOVER/AEROFLEX-ANDOVER AIRPORT 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 ATMOSPHEREANDOVER/AEROFLEX-ANDOVER AIRPORT2 PER CENT OF THE AIR BELOW IT584 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 HERE29.30 inHgSTANDARD TEMPERATURE HERE56.9 FALTIMETER SETTING, REPORTED29.61 inHgITS BAROMETER READS28.99 inHgTEMPERATURE, REPORTED58.0 FTITLEAndover/Aeroflex-Andover Airport, the columnSTATION REPORT · ASOS 12NTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-12N-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Andover/Aeroflex-Andover Airport, in 5 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in New Jersey

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

Near Hopatcong

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