Storm Station
Union, South Carolina
50° 81°/51°
Clear· Feels like 50°·Light air 2 mph NNW
Clear, with a low around 50. North wind around 2 mph.
0UV Low
28Air quality
67%Humidity
0%Cloud
Now
4:15 AM
50feels50
now, clear
Today
Sep 27
8151
UV 7
clear day
Mon
Sep 28
8252
UV 6
clear day
Tue
Sep 29
8657
UV 6
mostly clear day
Wed
Sep 30
8860
UV 6
overcast
Thu
Oct 1
8863
UV 6
overcast
Fri
Oct 2
7369
13%
drizzle light
Sat
Oct 3
7763
36%
overcast
50°
81°51°
82°52°
86°57°
88°60°
88°63°
73°69°
77°63°

As of 4:15 AM in Union, South Carolina.

What is measuring near here

The 5 instruments nearest Union, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now3 instruments

Union35A

At an airfield/2.3 mi away/595 ft/16 ft below here

temp, wind, gust, visibility, precip, pressure

Rank11of 378

Whitmire UsfsWHIS1

At a river or reservoir gauge/6.0 mi away/515 ft/96 ft below here

temp, wind, gust, humidity, pressure

Rank48of 378

I-385 @ US-221SC010

Beside a road/24.5 mi away/715 ft/104 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Union 1.3 ESC-UN-8

In a volunteer observer's own ground/1.4 mi away/619 ft/8 ft above here

precip, snowfall, snow depth

Rank-

Union 8 SUNNS1

At a cooperative observer's station/8.0 mi away/492 ft/119 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Union, drawn

The nearest airport reporting now, 2.3 mi from Union. From its report of Sep 27, 2026, 4:15 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 Union, 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 35AFIG. A THE SKY OVER UNIONSECTION, 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 MORE0510TITLEUnion, the skySTATION REPORT · ASOS 35ATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-35A-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

49.5 F with a dew point of 48.6 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.

Chart of the air at Union: temperature 49.5 degrees Fahrenheit and dew point 48.6, 97 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 35AFIG. B THE AIR AT UNIONTHE 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 200 FT ABOVE THE STATION, AT 48.3 FTEMPERATURE AND DEW POINT 49.5 F, 48.6 FRELATIVE HUMIDITY 97 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 POINTTITLEUnion, the airSTATION REPORT · ASOS 35ATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-35A-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Union, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 35AFIG. C THE WIND AT UNIONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEUnion, the windSTATION REPORT · ASOS 35ATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-35A-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Union 8 S (UNNS1), 8.0 miles from here, read 26 Sep, 09:00. measured daily

Elsewhere in South Carolina

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

Near Union

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