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Port Royal, South Carolina

Town in Beaufort County, South Carolina

Air quality

The air at Port Royal

Index 22, good, led by fine particles. Read at 1 AM from its reporting area, Savannah (GA), 30 miles off.

22Good
  • Fine particles (PM2.5)22Good-
  • Ozone19Good-
  • Coarse particles (PM10)9Good-

The days ahead

Yesterday measured 42, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Port Royal

None in the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Port Royal, the next 43 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Fri 2 AM.

FriSat

On the radar over Port Royal, South CarolinaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Port Royal, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

BeaufortARW

At an airfield/4.3 mi away/10 ft/46 ft below here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

Port Royal 0.3 SESC-BF-27

In a volunteer observer's own ground/0.5 mi away/13 ft/43 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Citizen station EW9629, drawn

The nearest instrument reporting now, 9.8 mi from Port Royal, South Carolina. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station EW9629, 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 EW9629FIG. C THE WIND AT CITIZEN STATION EW9629PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 2 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station EW9629, the windSTATION REPORT · CWOP EW9629TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-EW9629-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 52 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.87 inHg and the temperature at 58.8 F; the station's altimeter setting of 30.07 inHg means its barometer reads 30.01 inHg; it reports 70.0 F, 11.2 F warmer than standard.

Section from sea level of where Citizen station EW9629 stands in the atmosphere, height to scale: the station 52 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.87 inches of mercury, and temperature, 58.8 degrees Fahrenheit; the altimeter setting of 30.07 and the station pressure it means, 30.01.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW9629FIG. D WHERE CITIZEN STATION EW9629 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 EW96290 PER CENT OF THE AIR BELOW IT52 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 HERE29.87 inHgSTANDARD TEMPERATURE HERE58.8 FALTIMETER SETTING, REPORTED30.07 inHgITS BAROMETER READS30.01 inHgTEMPERATURE, REPORTED70.0 FTITLECitizen station EW9629, the columnSTATION REPORT · CWOP EW9629TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-EW9629-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 49 degrees above the horizon at 32.24 N, and the day is 11 h 14 min long. Level ground there takes 75 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station EW9629, angles true: on Oct 16 it stands 49 degrees above the horizon, against 81 at the June solstice, 58 at the equinoxes and 34 at the December solstice; the day is 11 h 14 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW9629FIG. E THE SUN AT CITIZEN STATION EW9629ELEVATION 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 81°EQUINOXES 58°DECEMBER SOLSTICE 34°OCT 16, 49°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 14 MINLEVEL GROUND TAKES 75 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 32.24 N; THE SUN'S DECLINATION -9.1°TITLECitizen station EW9629, the sunSTATION REPORT · CWOP EW9629TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-EW9629-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station EW9629, in 4 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in South Carolina

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

Near Port Royal

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

Near Port Royal

River and lake gauges