Storm Station
Groton, Massachusetts
56° 57°/56°
Light drizzle· Feels like 56°·Gentle breeze 12 mph NNE
Rain showers. Cloudy, with a low around 55. Northeast wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
0UV Low
-Air quality
94%Humidity
100%Cloud
Now
4:15 AM
56feels56
78%
now, drizzle light
Today
Sep 27
5756
84%
20mph
rain heavy
Mon
Sep 28
5653
90%
14mph
rain light
Tue
Sep 29
5952
80%
rain light
Wed
Sep 30
7256
overcast
Thu
Oct 1
8057
overcast
Fri
Oct 2
7553
11%
13mph
overcast
Sat
Oct 3
6144
11%
mostly clear day
56°
57°56°
56°53°
59°52°
72°56°
80°57°
75°53°
61°44°

As of 4:15 AM in Groton, Massachusetts.

What is measuring near here

The 5 instruments nearest Groton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now3 instruments

Harvard Rest AreaMA016

Beside a road/6.5 mi away/328 ft/6 ft above here

temp, pavement temp, wind, visibility, precip

Rank158of 197

Harvard - Oxbow DevensOXBM3

At a river or reservoir gauge/6.9 mi away/252 ft/70 ft below here

temp, wind, gust, humidity, pressure

Rank15of 197

FitchburgFIT

At an airfield/10.1 mi away/348 ft/26 ft above here

temp, wind, gust, visibility, precip, pressure

Rank135of 197

measured daily2 instruments

Pepperell 2.2 SSWMA-MD-189

In a volunteer observer's own ground/2.6 mi away/242 ft/80 ft below here

precip, snowfall, snow depth

Rank-

LowellLLLM3

At a cooperative observer's station/10.8 mi away/161 ft/161 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fitchburg, drawn

The nearest airport reporting now, 10.1 mi from Groton. From its report of Sep 27, 2026, 3:52 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,000 ft; the ceiling is 1,000 ft; visibility 5 mi.

Section of the sky over Fitchburg, height above the station to scale: overcast cloud with its base at 1,000 feet, the ceiling at 1,000 feet, and visibility of 5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FITFIG. A THE SKY OVER FITCHBURGSECTION, 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 1,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,000 FTVISIBILITY, MILES: 5 MI0510TITLEFitchburg, the skySTATION REPORT · ASOS FITTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-FIT-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

57.0 F with a dew point of 55.0 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 1,000 ft.

Chart of the air at Fitchburg: temperature 57.0 degrees Fahrenheit and dew point 55.0, 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 1,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FITFIG. B THE AIR AT FITCHBURGTHE 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 F70 FSATURATES 500 FT ABOVE THE STATION, AT 54.5 FLOWEST CLOUD REPORTED, OVC 1,000 FTTEMPERATURE AND DEW POINT 57.0 F, 55.0 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 POINTTITLEFitchburg, the airSTATION REPORT · ASOS FITTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-FIT-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (30 degrees) at 14 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Fitchburg, north up: blowing from 30 degrees, the north northeast, at 14 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FITFIG. C THE WIND AT FITCHBURGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 30°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFitchburg, the windSTATION REPORT · ASOS FITTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-FIT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Lowell (LLLM3), 10.8 miles from here, read 26 Sep, 06:00. measured daily

Elsewhere in Massachusetts

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

Near Groton

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