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Lewistown, Maryland

Community in Frederick County, Maryland

Air quality

The air at Lewistown

Index 19, good, led by ozone. Read at 1 AM from its reporting area, Maryland Piedmont (MD), 7 miles off.

19Good
  • Fine particles (PM2.5)-16.2 mi
  • Ozone19Good8 ppb8.4 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles.

Smoke, the next 43 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Lewistown

0.05 in in the last 24 hours, and none in the 2 days before, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.05in
Last 3 days
0.05in

Visibility

How far you can see at Lewistown, the next 43 hours

Visibility stays 5 miles or more through Sat 8 PM, lowest 5 miles Fri 5 AM.

FriSat

On the radar over Lewistown, MarylandReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Lewistown, 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

Camp DavidRSP

At an airfield/7.7 mi away/1,841 ft/1,427 ft above here

temp, wind, gust, visibility, precip, pressure

Rank709of 736

measured daily2 instruments

EmmitsburgEMMM2

At a cooperative observer's station/11.8 mi away/367 ft/47 ft below here

snowfall, snow depth, precip, high, low

Rank561of 736

Station report

The weather at Citizen station FW3881, drawn

The nearest instrument reporting now, 4.3 mi from Lewistown, Maryland. From its report of undefined: 3 of its 4 sheets.

The wind

From the southwest (223 degrees) at 1 mph, gusting 5 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Citizen station FW3881, north up: blowing from 223 degrees, the southwest, at 1 miles an hour, gusting 5; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW3881FIG. C THE WIND AT CITIZEN STATION FW3881PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 223°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE4GUST, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station FW3881, the windSTATION REPORT · CWOP FW3881TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-FW3881-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,700 ft above sea level, 6 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.13 inHg and the temperature at 52.9 F; the station's altimeter setting of 30.08 inHg means its barometer reads 28.28 inHg; it reports 56.0 F, 3.1 F warmer than standard.

Section from sea level of where Citizen station FW3881 stands in the atmosphere, height to scale: the station 1,700 feet above sea level with 6 per cent of the air below it; the standard atmosphere's pressure there, 28.13 inches of mercury, and temperature, 52.9 degrees Fahrenheit; the altimeter setting of 30.08 and the station pressure it means, 28.28.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW3881FIG. D WHERE CITIZEN STATION FW3881 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 ATMOSPHERECITIZEN STATION FW38816 PER CENT OF THE AIR BELOW IT1,700 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 HERE28.13 inHgSTANDARD TEMPERATURE HERE52.9 FALTIMETER SETTING, REPORTED30.08 inHgITS BAROMETER READS28.28 inHgTEMPERATURE, REPORTED56.0 FTITLECitizen station FW3881, the columnSTATION REPORT · CWOP FW3881TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-FW3881-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 41 degrees above the horizon at 39.53 N, and the day is 10 h 59 min long. Level ground there takes 66 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station FW3881, angles true: on Oct 16 it stands 41 degrees above the horizon, against 74 at the June solstice, 50 at the equinoxes and 27 at the December solstice; the day is 10 h 59 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW3881FIG. E THE SUN AT CITIZEN STATION FW3881ELEVATION 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 74°EQUINOXES 50°DECEMBER SOLSTICE 27°OCT 16, 41°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 59 MINLEVEL GROUND TAKES 66 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.53 N; THE SUN'S DECLINATION -9.1°TITLECitizen station FW3881, the sunSTATION REPORT · CWOP FW3881TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-FW3881-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station FW3881, in 4 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Maryland

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

Near Lewistown

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

Near Lewistown

River and lake gauges