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Mahopac, New York

Community in Putnam County, New York

Air quality

The air at Mahopac

Index 24, good, led by fine particles. Read at 12 AM from its reporting area, Danbury (CT), 15 miles off.

24Good
  • Fine particles (PM2.5)24Good15.6 mi
  • Ozone-6 ppb6.8 mi
  • Coarse particles (PM10)8Good15.6 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 46, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Mahopac

None in the last 3 days, to Fri 12 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 Mahopac, the next 44 hours

Dense fog: visibility falls to 0.1 miles Fri 9 AM, under a mile for 4 hours.

FriSat

On the radar over Mahopac, New YorkReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Mahopac, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.0 miles away.

measured now4 instruments

measured daily2 instruments

Shrub OakOAKN6

At a cooperative observer's station/5.5 mi away/428 ft/338 ft below here

snowfall, snow depth, precip, high, low

Rank22of 1,432

Station report

The weather at Poughkeepsie, drawn

The nearest airport reporting now, 19.6 mi from Mahopac, New York. From its report of Oct 15, 2026, 11:53 PM local time: 3 of its 6 sheets.

The sky

Scattered at 12,000 ft; visibility 10 mi or more.

Section of the sky over Poughkeepsie, height above the station to scale: scattered cloud with its base at 12,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT POUFIG. A THE SKY OVER POUGHKEEPSIESECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,50020,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 12,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEPoughkeepsie, the skySTATION REPORT · ASOS POUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-POU-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

49.0 F with a dew point of 47.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 12,000 ft.

Chart of the air at Poughkeepsie: temperature 49.0 degrees Fahrenheit and dew point 47.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 12,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT POUFIG. B THE AIR AT POUGHKEEPSIETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00040 F50 F60 FSATURATES 500 FT ABOVE THE STATION, AT 46.5 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 12,000 FTTEMPERATURE AND DEW POINT 49.0 F, 47.0 FRELATIVE HUMIDITY 93 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 POINTTITLEPoughkeepsie, the airSTATION REPORT · ASOS POUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-POU-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (120 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 30 mph.

Plan of the wind at Poughkeepsie, north up: blowing from 120 degrees, the east southeast, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT POUFIG. C THE WIND AT POUGHKEEPSIEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 120°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPoughkeepsie, the windSTATION REPORT · ASOS POUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-POU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Shrub Oak (OAKN6), 5.5 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in New York

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

Near Mahopac

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

Near Mahopac

River and lake gauges