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Meriden, Connecticut

City in New Haven County, Connecticut

Air quality

The air at Meriden

Index 31, good, led by fine particles. Read at 11 PM from its reporting area, Waterbury (CT), 13 miles off.

31Good
  • Fine particles (PM2.5)31Good12.7 mi
  • Ozone-29 ppb16.7 mi
  • Coarse particles (PM10)14Good12.7 mi
  • Nitrogen dioxide7Good7.7 ppb16.7 mi
  • Sulfur dioxide0Good0.3 ppb16.7 mi
  • Carbon monoxide-0.2 ppm16.7 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 49, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Meriden

None in the last 3 days, to Thu 11 PM. 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 Meriden, the next 45 hours

Visibility stays 3 miles or more through Sat 8 PM, lowest 4 miles Fri 11 AM.

FriSat

On the radar over Meriden, ConnecticutReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Meriden, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now4 instruments

measured daily2 instruments

Meriden 1.6 WSWCT-NH-8

In a volunteer observer's own ground/1.3 mi away/124 ft/60 ft below here

precip, snowfall, snow depth

Rank-

New Britian - Shuttle MeadowNWBC3

At a cooperative observer's station/8.0 mi away/364 ft/180 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Meriden Markham Muni Airport, drawn

The nearest airport reporting now, 2.3 mi from Meriden, Connecticut. From its report of Oct 15, 2026, 11:53 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 Meriden Markham Muni Airport, 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 MMKFIG. A THE SKY OVER MERIDEN MARKHAM MUNI AIRPORTSECTION, 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 MORE0510TITLEMeriden Markham Muni Airport, the skySTATION REPORT · ASOS MMKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MMK-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

47.0 F with a dew point of 45.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Meriden Markham Muni Airport: temperature 47.0 degrees Fahrenheit and dew point 45.0, 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; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MMKFIG. B THE AIR AT MERIDEN MARKHAM MUNI AIRPORTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 500 FT ABOVE THE STATION, AT 44.5 FTEMPERATURE AND DEW POINT 47.0 F, 45.0 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 POINTTITLEMeriden Markham Muni Airport, the airSTATION REPORT · ASOS MMKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MMK-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Meriden Markham Muni Airport, 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 MMKFIG. C THE WIND AT MERIDEN MARKHAM MUNI AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMeriden Markham Muni Airport, the windSTATION REPORT · ASOS MMKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MMK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Meriden Markham Muni Airport, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Connecticut

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

Near Meriden

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

Near Meriden

River and lake gauges