Storm Station
Sign in

Canton Valley, Connecticut

Community in Hartford County, Connecticut

Air quality

The air at Canton Valley

Index 17, good, led by fine particles. Read at 7 AM from its reporting area, Hartford (CT), 14 miles off.

17Good
  • Fine particles (PM2.5)17Good12 mi
  • Ozone17Good24 ppb14.3 mi
  • Coarse particles (PM10)7Good12 mi
  • Nitrogen dioxide14Good15.3 ppb12 mi
  • Sulfur dioxide0Good0 ppb20.8 mi
  • Carbon monoxide-0.2 ppm12 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 29, good.

Smoke, the next 44 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at Canton Valley

None in the last 3 days, to Fri 6 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 Canton Valley, the next 44 hours

Visibility stays 3 miles or more through Sun 2 AM, lowest 4 miles Fri 7 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Canton Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

Plainville4B8

At an airfield/9.8 mi away/200 ft/146 ft below here

temp, wind, gust, visibility, precip, pressure

Rank183of 375

measured daily2 instruments

Canton 1.5 WCT-HR-70

In a volunteer observer's own ground/1.1 mi away/320 ft/26 ft below here

precip, snowfall, snow depth

Rank280of 375

Station report

The weather at Plainville, drawn

The nearest airport reporting now, 9.8 mi from Canton Valley, Connecticut. From its report of Oct 16, 2026, 7:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,300 ft; the ceiling is 1,300 ft; visibility 6 mi.

Section of the sky over Plainville, height above the station to scale: overcast cloud with its base at 1,300 feet, the ceiling at 1,300 feet, and visibility of 6 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 4B8FIG. A THE SKY OVER PLAINVILLESECTION, 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 SHEETOVC 1,300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,300 FTVISIBILITY, MILES: 6 MI0510TITLEPlainville, the skySTATION REPORT · ASOS 4B8TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-4B8-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

53.8 F with a dew point of 53.8 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 1,300 ft.

Chart of the air at Plainville: temperature 53.8 degrees Fahrenheit and dew point 53.8, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 4B8FIG. B THE AIR AT PLAINVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 1,300 FTTEMPERATURE AND DEW POINT 53.8 F, 53.8 FRELATIVE HUMIDITY 100 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 POINTTITLEPlainville, the airSTATION REPORT · ASOS 4B8TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-4B8-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (210 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Plainville, north up: blowing from 210 degrees, the south southwest, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 4B8FIG. C THE WIND AT PLAINVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 210°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPlainville, the windSTATION REPORT · ASOS 4B8TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-4B8-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Connecticut

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

Near Canton Valley

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

Near Canton Valley

River and lake gauges