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Dewey Beach, Delaware

Town in Sussex County, Delaware

Air quality

The air at Dewey Beach

Index 51, moderate, led by fine particles. Read at 5 PM from its reporting area, Sussex County (DE), 16 miles off.

51Moderate
  • Fine particles (PM2.5)51Moderate-
  • Ozone31Good36 ppb7.6 mi

The days ahead

Yesterday measured 25, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 2 PM: the index from smoke stays at 6 or under.

FriSatSun

Precipitation

What has fallen at Dewey Beach

0.20 in in the last 24 hours, and none in the 2 days before, to Fri 5 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.20in
Last 3 days
0.20in

Visibility

How far you can see at Dewey Beach, the next 45 hours

Visibility stays 3 miles or more through Sun 2 PM, lowest 4 miles Sat 10 AM.

FriSatSun

On the radar over Dewey Beach, DelawareReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Dewey Beach, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now4 instruments

LewesNDBC-LWSD1

At a river or reservoir gauge/6.5 mi away/-/- ft from here

temp, wind, gust, humidity, pressure

Rank121of 127

measured daily2 instruments

Rehoboth Beach 3.3 SWDE-SS-78

In a volunteer observer's own ground/3.0 mi away/2 ft/2 ft below here

precip, snowfall, snow depth

Rank-

LewesLEWD1

At a cooperative observer's station/5.8 mi away/3 ft/1 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Georgetown/Sussex, drawn

The nearest airport reporting now, 15.2 mi from Dewey Beach, Delaware. From its report of Oct 16, 2026, 5:54 PM local time: 3 of its 6 sheets.

The sky

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

Section of the sky over Georgetown/Sussex, 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 GEDFIG. A THE SKY OVER GEORGETOWN/SUSSEXSECTION, 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 MORE0510TITLEGeorgetown/Sussex, the skySTATION REPORT · ASOS GEDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GED-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

75.0 F with a dew point of 68.0 F, 79 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up.

Chart of the air at Georgetown/Sussex: temperature 75.0 degrees Fahrenheit and dew point 68.0, 79 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GEDFIG. B THE AIR AT GEORGETOWN/SUSSEXTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 F90 FSATURATES 1,600 FT ABOVE THE STATION, AT 66.3 FTEMPERATURE 75.0 FDEW POINT 68.0 FSPREAD 7.0 FRELATIVE HUMIDITY 79 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 POINTTITLEGeorgetown/Sussex, the airSTATION REPORT · ASOS GEDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GED-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Georgetown/Sussex, north up: blowing from 200 degrees, the south southwest, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GEDFIG. C THE WIND AT GEORGETOWN/SUSSEXPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGeorgetown/Sussex, the windSTATION REPORT · ASOS GEDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GED-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Georgetown/Sussex, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Delaware

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

Near Dewey Beach

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

Near Dewey Beach

River and lake gauges