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St. Johnsville, New York

Village in Montgomery County, New York

Air quality

The air at St. Johnsville

Index 27, good, led by ozone. Read at 6 AM from its reporting area, Upper Hudson Valley Region (NY), 63 miles off.

27Good
  • Fine particles (PM2.5)11Good-
  • Ozone27Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 30, good.

Smoke, the next 44 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at St. Johnsville

0.02 in in the last 24 hours, 0.68 in over the last 3 days, to Fri 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.68in

Visibility

How far you can see at St. Johnsville, the next 44 hours

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

FriSat

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

What is measuring near here

The 4 instruments nearest St. Johnsville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.5 miles away.

measured now2 instruments

JohnstownNY0

At an airfield/17.7 mi away/863 ft/517 ft above here

temp, wind, gust, visibility, precip, pressure

Rank952of 1,432

measured daily2 instruments

Station report

The weather at Johnstown, drawn

The nearest airport reporting now, 17.7 mi from St. Johnsville, New York. From its report of Oct 16, 2026, 6:35 AM local time: 3 of its 6 sheets.

The sky

Broken at 400 ft, broken at 800 ft, overcast at 1,600 ft; the ceiling is 400 ft; visibility 3 mi.

Section of the sky over Johnstown, height above the station to scale: broken cloud with its base at 400 feet, broken cloud with its base at 800 feet, overcast cloud with its base at 1,600 feet, the ceiling at 400 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NY0FIG. A THE SKY OVER JOHNSTOWNSECTION, 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 1,600 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 400 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 400 FTVISIBILITY, MILES: 3 MI0510TITLEJohnstown, the skySTATION REPORT · ASOS NY0TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-NY0-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

48.6 F with a dew point of 48.2 F, 99 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 100 ft up; the lowest cloud reported is at 400 ft.

Chart of the air at Johnstown: temperature 48.6 degrees Fahrenheit and dew point 48.2, 99 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 100 feet above the station, against the lowest cloud reported at 400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NY0FIG. B THE AIR AT JOHNSTOWNTHE 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 FSATURATES 100 FT ABOVE THE STATION, AT 48.1 FLOWEST CLOUD REPORTED, BKN 400 FTTEMPERATURE AND DEW POINT 48.6 F, 48.2 FRELATIVE HUMIDITY 99 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 POINTTITLEJohnstown, the airSTATION REPORT · ASOS NY0TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-NY0-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (90 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Johnstown, north up: blowing from 90 degrees, the east, at 5 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 NY0FIG. C THE WIND AT JOHNSTOWNPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 90°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEJohnstown, the windSTATION REPORT · ASOS NY0TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-NY0-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Gloversville 7NW (PEKN6), 15.2 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 St. Johnsville

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

Near St. Johnsville

River and lake gauges