Storm Station
Portsmouth, Ohio
55°
Clear· Feels like 55°·Light air 3 mph NNW
Areas of fog. Clear, with a low around 48. Northwest wind around 1 mph.
-UV
-Air quality
85%Humidity
3%Cloud

What is measuring near here

The 5 instruments nearest Portsmouth, 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 now3 instruments

PortsmouthPMH

At an airfield/9.6 mi away/656 ft/87 ft above here

temp, wind, gust, visibility, precip, pressure

Rank318of 610

Friendship - Shawnee RAWSSHRO1

A remote fire weather station/12.3 mi away/1,181 ft/612 ft above here

temp, wind, gust, humidity, pressure

Rank161of 610

28-US23 @ Slm 6.5OH028

Beside a road/20.9 mi away/560 ft/9 ft below here

temp, pavement temp, wind, visibility, precip

Rank415of 610

measured daily2 instruments

Portsmouth 1.8 WSWOH-SC-16

In a volunteer observer's own ground/0.3 mi away/559 ft/10 ft below here

precip, snowfall, snow depth

Rank-

SciotovilleSCIO1

At a cooperative observer's station/4.9 mi away/545 ft/24 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Portsmouth, drawn

The nearest airport reporting now, 9.6 mi from Portsmouth. From its report of Sep 27, 2026, 4:55 AM 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 Portsmouth, 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 PMHFIG. A THE SKY OVER PORTSMOUTHSECTION, 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 MORE0510TITLEPortsmouth, the skySTATION REPORT · ASOS PMHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-PMH-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.2 F with a dew point of 48.2 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Portsmouth: temperature 48.2 degrees Fahrenheit and dew point 48.2, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PMHFIG. B THE AIR AT PORTSMOUTHTHE 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 GROUNDTEMPERATURE AND DEW POINT 48.2 F, 48.2 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 POINTTITLEPortsmouth, the airSTATION REPORT · ASOS PMHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-PMH-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Portsmouth, north up: blowing from 360 degrees, the north, 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 PMHFIG. C THE WIND AT PORTSMOUTHPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPortsmouth, the windSTATION REPORT · ASOS PMHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-PMH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Sciotoville (SCIO1), 4.9 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in Ohio

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

Near Portsmouth

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