Storm Station
Chevy Chase Heights, Pennsylvania
51° 67°/49°
Clear· Feels like 51°·Light breeze 5 mph NW
Partly cloudy, with a low around 51. Northwest wind around 5 mph.
0UV Low
31Air quality
78%Humidity
0%Cloud
Now
3:15 AM
51feels51
now, clear
Today
Sep 27
6749
51%
14mph
drizzle light
Mon
Sep 28
6355
drizzle
Tue
Sep 29
6756
overcast
Wed
Sep 30
7453
overcast
Thu
Oct 1
7856
18%
overcast
Fri
Oct 2
6346
34%
drizzle
Sat
Oct 3
6141
31%
overcast
51°
67°49°
63°55°
67°56°
74°53°
78°56°
63°46°
61°41°

As of 3:15 AM in Chevy Chase Heights, Pennsylvania.

What is measuring near here

The 5 instruments nearest Chevy Chase Heights, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now3 instruments

Indiana/Stewart FldIDI

At an airfield/2.3 mi away/1,407 ft/103 ft below here

temp, wind, gust, visibility, precip, pressure

Rank438of 543

Quarry TrailQTRP1

At a river or reservoir gauge/35.1 mi away/2,749 ft/1,239 ft above here

temp, wind, gust, humidity, pressure

Rank47of 543

measured daily2 instruments

Indiana 1.6 NEPA-IN-12

In a volunteer observer's own ground/0.6 mi away/1,464 ft/46 ft below here

precip, snowfall, snow depth

Rank-

IndianaINDP1

At a cooperative observer's station/3.3 mi away/1,171 ft/339 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Indiana/Stewart Fld, drawn

The nearest airport reporting now, 2.3 mi from Chevy Chase Heights. From its report of Sep 27, 2026, 2:55 AM local time: 3 of its 5 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Indiana/Stewart Fld, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IDIFIG. A THE SKY OVER INDIANA/STEWART FLDSECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEIndiana/Stewart Fld, the skySTATION REPORT · ASOS IDITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-IDI-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

50.0 F with a dew point of 46.4 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up.

Chart of the air at Indiana/Stewart Fld: temperature 50.0 degrees Fahrenheit and dew point 46.4, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IDIFIG. B THE AIR AT INDIANA/STEWART FLDTHE 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 800 FT ABOVE THE STATION, AT 45.6 FTEMPERATURE 50.0 FDEW POINT 46.4 FSPREAD 3.6 FRELATIVE HUMIDITY 87 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 POINTTITLEIndiana/Stewart Fld, the airSTATION REPORT · ASOS IDITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-IDI-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 1,407 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.43 inHg and the temperature at 54.0 F; the station's altimeter setting of 29.96 inHg means its barometer reads 28.47 inHg; it reports 50.0 F, 4.0 F colder than standard.

Section from sea level of where Indiana/Stewart Fld stands in the atmosphere, height to scale: the station 1,407 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.43 inches of mercury, and temperature, 54.0 degrees Fahrenheit; the altimeter setting of 29.96 and the station pressure it means, 28.47.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IDIFIG. D WHERE INDIANA/STEWART FLD 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 ATMOSPHEREINDIANA/STEWART FLD5 PER CENT OF THE AIR BELOW IT1,407 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 HERE28.43 inHgSTANDARD TEMPERATURE HERE54.0 FALTIMETER SETTING, REPORTED29.96 inHgITS BAROMETER READS28.47 inHgTEMPERATURE, REPORTED50.0 FTITLEIndiana/Stewart Fld, the columnSTATION REPORT · ASOS IDITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-IDI-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Indiana/Stewart Fld, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Indiana (INDP1), 3.3 miles from here, read 26 Sep, 08:00. measured daily

Elsewhere in Pennsylvania

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

Near Chevy Chase Heights

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