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Sanford Seacoast Regional Airport, Maine

Small airport in York County, Maine

Air quality

The air at Sanford Seacoast Regional Airport

Index 27, good, led by fine particles. Read at 1 AM from its reporting area, Coastal Rockingham County (NH), 29 miles off.

27Good
  • Fine particles (PM2.5)27Good21.8 mi
  • Ozone5Good1 ppb16.1 mi
  • Coarse particles (PM10)9Good21.8 mi
  • Sulfur dioxide1Good1.6 ppb21.8 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 12, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Sanford Seacoast Regional Airport

None in the last 24 hours; 0.50 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
0.50in

Visibility

How far you can see at Sanford Seacoast Regional Airport, the next 43 hours

Dense fog: visibility falls to 0.1 miles Fri 1 PM, under a mile for 2 hours.

FriSat

Airfield

Code
SFM
ICAO
KSFM
IATA
SFM
Field elevation
244 ft
Serves
Sanford
Kind
Small airport
Scheduled service
No
Its own instrument
SFM
Wind now
Calm, read 16 Oct, 01:56

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
07 / 256,389 ft100 ftAsphalt58° / 238°CalmCalm
14 / 324,999 ft100 ftAsphalt119° / 299°CalmCalm
072514322,000 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 Sanford Muni (AWOS) (SFM), Sanford Seacoast Regional Airport's own instrument, measure by measure, on the field's own clock.

Temperature

35 F at 1 AM; 61 F at its warmest, 2 PM Thursday, and 35 F at its coolest, 11 PM Thursday.

Now
35F
1 AM
Highest
61F
2 PM Thursday
Lowest
35F
11 PM Thursday
Temperature and Dew point at Sanford Muni (AWOS), temperature from 35.0 to 61.0, the latest 35.0; dew point from 29.0 to 45.0, the latest 34.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF2030405060703 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 34 F, the air 96% saturated; the humidity ran from 32% at 12 PM Thursday to 96% at 9 PM Thursday.

Dew point now
34F
1 AM
Humidity now
96%
Humidity, range
32 to 96%
Relative humidity at Sanford Muni (AWOS), relative humidity from 32 to 96, the latest 96, 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 9 mph, 9 AM Thursday, with a gust of 18 mph at 10 AM Thursday.

Now
0mph
calm
Strongest
9mph
9 AM Thursday
Highest gust
18mph
10 AM Thursday
Wind at Sanford Muni (AWOS), wind from 0 to 9, the latest 0, in miles an hour.WINDmph02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind direction at Sanford Muni (AWOS), wind direction from 10 to 360, the latest 230, 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

30.15 inHg at 1 AM, falling 0.03 inHg over 3 hours; 0.14 inHg higher than a day before.

Now
30.15inHg
1 AM
3 hours
-0.03inHg
falling
24 hours
+0.14inHg
Pressure, altimeter at Sanford Muni (AWOS), pressure, altimeter from 30.01 to 30.21, the latest 30.15, 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

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Sanford Muni (AWOS), visibility from 10.0 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 3,400 ft at 7 AM Thursday; a base was reported in 6 of the hours.

Lowest base now
-
Lowest in 24 hours
3,400ft
7 AM Thursday
Hours with a base reported
6
Lowest cloud base at Sanford Muni (AWOS), lowest cloud base from 3,400 to 4,700, the latest 3,600, in feet.LOWEST CLOUD BASEft3,0003,5004,0004,5005,0003 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

Sanford Muni (AWOS): 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 Sanford Seacoast Regional Airport, 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

Sanford Muni (AWOS)SFM

At an airfield/0.0 mi away/243 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Rt. 202 EB Alfred102699

Beside a road/5.3 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Wells 6.5 WNWME-YK-42

In a volunteer observer's own ground/3.4 mi away/214 ft/30 ft below here

precip, snowfall, snow depth

SanfordSANM1

At a cooperative observer's station/6.3 mi away/417 ft/173 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Maine

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

Near Sanford Seacoast Regional Airport

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

Near Sanford Seacoast Regional Airport