Storm Station
Old Mystic, Connecticut
60°
Light rain· Feels like 60°·Moderate breeze 18 mph NNE
Rain showers before noon, then showers and thunderstorms. Cloudy. High near 68, with temperatures falling to around 66 in the afternoon. East wind 12 to 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
-UV
-Air quality
90%Humidity
90%Cloud

What is measuring near here

The 5 instruments nearest Old Mystic, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now3 instruments

Groton/New LondonGON

At an airfield/5.0 mi away/10 ft/164 ft below here

temp, wind, gust, visibility, precip, pressure

Rank106of 128

measured daily2 instruments

Mystic 3.4 NWCT-NL-46

In a volunteer observer's own ground/0.9 mi away/183 ft/9 ft above here

precip, snowfall, snow depth

Rank-

NorwichNRWC3

At a cooperative observer's station/10.7 mi away/33 ft/141 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Groton/New London, drawn

The nearest airport reporting now, 5.0 mi from Old Mystic. From its report of Sep 27, 2026, 7:56 AM local time: 3 of its 6 sheets.

The sky

Broken at 900 ft, broken at 1,500 ft, overcast at 2,000 ft; the ceiling is 900 ft; visibility 2.5 mi.

Section of the sky over Groton/New London, height above the station to scale: broken cloud with its base at 900 feet, broken cloud with its base at 1,500 feet, overcast cloud with its base at 2,000 feet, the ceiling at 900 feet, and visibility of 2.5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GONFIG. A THE SKY OVER GROTON/NEW LONDONSECTION, 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 2,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 900 FTVISIBILITY, MILES: 2.5 MI0510TITLEGroton/New London, the skySTATION REPORT · ASOS GONTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-GON-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

61.0 F with a dew point of 59.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 900 ft.

Chart of the air at Groton/New London: temperature 61.0 degrees Fahrenheit and dew point 59.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GONFIG. B THE AIR AT GROTON/NEW LONDONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 FSATURATES 500 FT ABOVE THE STATION, AT 58.5 FLOWEST CLOUD REPORTED, BKN 900 FTTEMPERATURE AND DEW POINT 61.0 F, 59.0 FRELATIVE HUMIDITY 93 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 POINTTITLEGroton/New London, the airSTATION REPORT · ASOS GONTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-GON-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (40 degrees) at 23 mph, gusting 36 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 48 mph.

Plan of the wind at Groton/New London, north up: blowing from 40 degrees, the northeast, at 23 miles an hour, gusting 36; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GONFIG. C THE WIND AT GROTON/NEW LONDONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 40°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 23 MPH6STRONG BREEZE257NEAR GALE32GUST, 36 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGroton/New London, the windSTATION REPORT · ASOS GONTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-GON-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Groton/New London, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Norwich (NRWC3), 10.7 miles from here, read 27 Sep, 07:00. measured daily

Elsewhere in Connecticut

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

Near Old Mystic

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