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Laurence G Hanscom Field, Massachusetts

Medium airport in Middlesex County, Massachusetts

Air quality

The air at Laurence G Hanscom Field

Index 27, good, led by fine particles. Read at 1 AM from its reporting area, West Middlesex (MA), 8 miles off.

27Good
  • Fine particles (PM2.5)27Good12.9 mi
  • Ozone1Good0 ppb11.4 mi
  • Coarse particles (PM10)-14.4 mi
  • Nitrogen dioxide15Good16 ppb12.9 mi
  • Sulfur dioxide1Good1.2 ppb12.9 mi
  • Carbon monoxide-0.2 ppm14.4 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 14, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Laurence G Hanscom Field

None in the last 24 hours; 0.11 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.11in

Visibility

How far you can see at Laurence G Hanscom Field, the next 43 hours

Mist or haze: visibility falls to 2 miles Fri 9 AM.

FriSat

Airfield

Code
BED
ICAO
KBED
IATA
BED
Field elevation
133 ft
Serves
Bedford
Kind
Medium airport
Scheduled service
Yes
Its own instrument
BED
Wind now
Calm, read 16 Oct, 01:51

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
05 / 235,107 ft150 ftAsphalt37° / 217°CalmCalm
11 / 297,011 ft150 ftAsphalt97° / 277°CalmCalm
052311292,500 ftN
Runways from their surveyed ends, north up, lengths and positions to scale.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Hanscom Fld/Bedford (BED), Laurence G Hanscom Field's own instrument, measure by measure, on the field's own clock.

Temperature

43 F at 1 AM; 62 F at its warmest, 3 PM Thursday, and 41 F at its coolest, 9 PM Thursday.

Now
43F
1 AM
Highest
62F
3 PM Thursday
Lowest
41F
9 PM Thursday
Temperature and Dew point at Hanscom Fld/Bedford, temperature from 41.0 to 62.0, the latest 43.0; dew point from 33.0 to 47.0, the latest 41.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF30405060703 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16FREEZINGTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 41 F, the air 93% saturated; the humidity ran from 35% at 2 PM Thursday to 96% at 12 AM.

Dew point now
41F
1 AM
Humidity now
93%
Humidity, range
35 to 96%
Relative humidity at Hanscom Fld/Bedford, relative humidity from 35 to 96, the latest 93, in per cent.RELATIVE HUMIDITY%204060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

Calm at 1 AM; at its strongest 15 mph, 5 AM Thursday, with a gust of 31 mph at 5 AM Thursday.

Now
0mph
calm
Strongest
15mph
5 AM Thursday
Highest gust
31mph
5 AM Thursday
Wind and Gust at Hanscom Fld/Bedford, wind from 0 to 15, the latest 0; gust from 16 to 31, the latest 18, in miles an hour.WIND AND GUSTmph0102030403 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Hanscom Fld/Bedford, wind direction from 10 to 350, the latest 200, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.12 inHg at 1 AM, falling 0.05 inHg over 3 hours; 0.08 inHg higher than a day before.

Now
30.12inHg
1 AM
3 hours
-0.05inHg
falling
24 hours
+0.08inHg
Pressure, altimeter at Hanscom Fld/Bedford, pressure, altimeter from 30.04 to 30.21, the latest 30.12, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.1030.1530.2030.253 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

Down to 5 miles at 5 PM Thursday; 10 miles or more now.

Now
10+mi
Lowest
5mi
5 PM Thursday
Hours under a mile
0
Visibility at Hanscom Fld/Bedford, visibility from 5.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 3,700 ft at 7 AM Thursday; a base was reported in 8 of the hours.

Lowest base now
-
Lowest in 24 hours
3,700ft
7 AM Thursday
Hours with a base reported
8
Lowest cloud base at Hanscom Fld/Bedford, lowest cloud base from 3,700 to 12,000, the latest 12,000, in feet.LOWEST CLOUD BASEft2,5005,0007,50010,00012,5003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16VFR

How it is measured: Cloud classification, Field Book FB-SKY-001

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

How it is measured: ASOS, Field Book FB-INS-002

Hanscom Fld/Bedford: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 5 instruments nearest Laurence G Hanscom Field, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now3 instruments

Hanscom Fld/BedfordBED

At an airfield/0.0 mi away/135 ft/2 ft above here

temp, wind, gust, visibility, precip, pressure

Lexington I-95MA035

Beside a road/1.9 mi away/122 ft/11 ft below here

temp, pavement temp, wind, visibility, precip

Harvard - Oxbow DevensOXBM3

At a river or reservoir gauge/16.9 mi away/252 ft/119 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Concord 2.3 ENEMA-MD-135

In a volunteer observer's own ground/1.2 mi away/141 ft/8 ft above here

precip, snowfall, snow depth

LowellLLLM3

At a cooperative observer's station/13.1 mi away/161 ft/28 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Lowell (LLLM3), 13.1 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Massachusetts

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

Near Laurence G Hanscom Field

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

Near Laurence G Hanscom Field