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Crystal Lake, Connecticut

Community in Tolland County, Connecticut

Air quality

The air at Crystal Lake

Index 22, good, led by ozone. Read at 4 AM from its reporting area, Stafford (CT), 3 miles off.

22Good
  • Fine particles (PM2.5)-16.3 mi
  • Ozone22Good16 ppb16.3 mi
  • Coarse particles (PM10)-16.3 mi
  • Nitrogen dioxide8Good9 ppb16.3 mi
  • Sulfur dioxide0Good0.1 ppb16.8 mi
  • Carbon monoxide-0.1 ppm18.9 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 31, good.

Smoke, the next 40 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Crystal Lake

None in the last 3 days, to Fri 4 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 Crystal Lake, the next 40 hours

Fog: visibility falls to 0.7 miles Fri 8 PM, under a mile for 1 hour.

FriSat

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

What is measuring near here

The 6 instruments nearest Crystal Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now4 instruments

measured daily2 instruments

Crystal Lake 1.0 ECT-TL-38

In a volunteer observer's own ground/1.2 mi away/724 ft/50 ft above here

precip, snowfall, snow depth

Rank-

StafordvilleSFVC3

At a cooperative observer's station/7.6 mi away/709 ft/35 ft above here

snowfall, snow depth, precip, high, low

Rank70of 375

Station report

The weather at Hartford/Bradley, drawn

The nearest airport reporting now, 15.7 mi from Crystal Lake, Connecticut. From its report of Oct 16, 2026, 4:20 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,700 ft, broken at 5,000 ft, overcast at 6,500 ft; the ceiling is 2,700 ft; visibility 10 mi or more.

Section of the sky over Hartford/Bradley, height above the station to scale: broken cloud with its base at 2,700 feet, broken cloud with its base at 5,000 feet, overcast cloud with its base at 6,500 feet, the ceiling at 2,700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BDLFIG. A THE SKY OVER HARTFORD/BRADLEYSECTION, 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 6,500 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 5,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 2,700 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,700 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHartford/Bradley, the skySTATION REPORT · ASOS BDLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BDL-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

52.0 F with a dew point of 48.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 2,700 ft.

Chart of the air at Hartford/Bradley: temperature 52.0 degrees Fahrenheit and dew point 48.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 2,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BDLFIG. B THE AIR AT HARTFORD/BRADLEYTHE 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 900 FT ABOVE THE STATION, AT 47.1 FLOWEST CLOUD REPORTED, BKN 2,700 FTTEMPERATURE 52.0 FDEW POINT 48.0 FSPREAD 4.0 FRELATIVE HUMIDITY 86 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 POINTTITLEHartford/Bradley, the airSTATION REPORT · ASOS BDLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BDL-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Hartford/Bradley, north up: blowing from 200 degrees, the south southwest, 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 BDLFIG. C THE WIND AT HARTFORD/BRADLEYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHartford/Bradley, the windSTATION REPORT · ASOS BDLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BDL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Stafordville (SFVC3), 7.6 miles from here, read 16 Oct, 05:00. measured daily

Elsewhere in Connecticut

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

Near Crystal Lake

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

Near Crystal Lake

River and lake gauges