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Seneca, Pennsylvania

Community in Venango County, Pennsylvania

Air quality

The air at Seneca

Index 44, good, led by fine particles. Read at 4 AM from its reporting area, Mercer County (PA), 27 miles off.

44Good
  • Fine particles (PM2.5)44Good-
  • Ozone14Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 28, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Seneca

0.01 in in the last 24 hours, and none in the 2 days before, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.01in

Visibility

How far you can see at Seneca, the next 41 hours

Visibility stays 6 miles or more through Sat 8 PM, lowest 6 miles Fri 4 AM.

FriSat

On the radar over Seneca, PennsylvaniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Seneca, 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

measured daily2 instruments

FranklinFKNP1

At a cooperative observer's station/6.2 mi away/965 ft/502 ft below here

snowfall, snow depth, precip, high, low

Rank189of 1,383

Station report

The weather at Franklin(AWOS), drawn

The nearest airport reporting now, 8.2 mi from Seneca, Pennsylvania. From its report of Oct 16, 2026, 4:27 AM local time: 3 of its 6 sheets.

The sky

Overcast at 700 ft; the ceiling is 700 ft; visibility 7 mi.

Section of the sky over Franklin(AWOS), height above the station to scale: overcast cloud with its base at 700 feet, the ceiling at 700 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FKLFIG. A THE SKY OVER FRANKLIN(AWOS)SECTION, 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 700 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 700 FTVISIBILITY, MILES: 7 MI0510TITLEFranklin(AWOS), the skySTATION REPORT · ASOS FKLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FKL-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

66.2 F with a dew point of 66.2 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 700 ft.

Chart of the air at Franklin(AWOS): temperature 66.2 degrees Fahrenheit and dew point 66.2, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FKLFIG. B THE AIR AT FRANKLIN(AWOS)THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 700 FTTEMPERATURE AND DEW POINT 66.2 F, 66.2 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 POINTTITLEFranklin(AWOS), the airSTATION REPORT · ASOS FKLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FKL-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 8 mph, gusting 18 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Franklin(AWOS), north up: blowing from 240 degrees, the west southwest, at 8 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FKLFIG. C THE WIND AT FRANKLIN(AWOS)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE13GUST, 18 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFranklin(AWOS), the windSTATION REPORT · ASOS FKLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FKL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Franklin(AWOS), in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Franklin (FKNP1), 6.2 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Pennsylvania

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

Near Seneca

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

Near Seneca

River and lake gauges