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Watch Hill, Rhode Island

Community in Washington County, Rhode Island

Air quality

The air at Watch Hill

Index 14, good, led by fine particles. Read at 2 AM from its reporting area, New London-Groton (CT), 9 miles off.

14Good
  • Fine particles (PM2.5)14Good-
  • Coarse particles (PM10)6Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 10, good.

Smoke, the next 42 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 Watch Hill

None in the last 3 days, to Fri 2 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 Watch Hill, the next 42 hours

Dense fog: visibility falls to 0.1 miles Fri 6 PM, under a mile for 4 hours.

FriSat

On the radar over Watch Hill, Rhode IslandReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Watch Hill, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

WesterlyWST

At an airfield/3.4 mi away/79 ft/61 ft above here

temp, wind, gust, visibility, precip, pressure

Rank49of 154

Kingston 1 W54797

At a climate reference station/19.2 mi away/106 ft/88 ft above here

temp, humidity, wind, solar, precip

Rank94of 154

measured daily2 instruments

Westerly 3.5 SRI-WS-92

In a volunteer observer's own ground/1.6 mi away/6 ft/12 ft below here

precip, snowfall, snow depth

Rank3of 154

Block IslandBIDR1

At a cooperative observer's station/18.3 mi away/3 ft/15 ft below here

snowfall, snow depth, precip, high, low

Rank91of 154

Station report

The weather at Westerly, drawn

The nearest airport reporting now, 3.4 mi from Watch Hill, Rhode Island. From its report of Oct 16, 2026, 2:53 AM 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 Westerly, 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 WSTFIG. A THE SKY OVER WESTERLYSECTION, 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 MORE0510TITLEWesterly, the skySTATION REPORT · ASOS WSTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-WST-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

57.0 F with a dew point of 44.0 F, 62 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,000 ft up.

Chart of the air at Westerly: temperature 57.0 degrees Fahrenheit and dew point 44.0, 62 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT WSTFIG. B THE AIR AT WESTERLYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 F70 FSATURATES 3,000 FT ABOVE THE STATION, AT 41.2 FTEMPERATURE 57.0 FDEW POINT 44.0 FSPREAD 13.0 FRELATIVE HUMIDITY 62 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 POINTTITLEWesterly, the airSTATION REPORT · ASOS WSTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-WST-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (170 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 20 mph.

Plan of the wind at Westerly, north up: blowing from 170 degrees, the south, at 10 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 WSTFIG. C THE WIND AT WESTERLYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 170°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWesterly, the windSTATION REPORT · ASOS WSTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-WST-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Block Island (BIDR1), 18.3 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Rhode Island

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

Near Watch Hill

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

Near Watch Hill

River and lake gauges