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Wiscasset Airport, Maine

Small airport in Lincoln County, Maine

Air quality

The air at Wiscasset Airport

Index 18, good, led by ozone. Read at 12 AM from its reporting area, Western Interior (ME), 25 miles off.

18Good
  • Fine particles (PM2.5)16Good-
  • Ozone18Good-
  • Coarse particles (PM10)6Good-

The days ahead

Good each day through Wed Oct 21, led by ozone. Yesterday measured 26, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 8 PM.

SatSun

Precipitation

What has fallen at Wiscasset Airport

0.07 in in the last 24 hours, 0.43 in over the last 3 days, to Fri 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.07in
Last 3 days
0.43in

Visibility

How far you can see at Wiscasset Airport, the next 45 hours

Visibility stays 10 miles or more through Sun 8 PM.

SatSun

Airfield

Code
IWI
ICAO
KIWI
IATA
ISS
Field elevation
70 ft
Serves
Wiscasset
Kind
Small airport
Scheduled service
No
Its own instrument
IWI
Wind now
From 280° at 3 mph, read 16 Oct, 23:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
07 / 253,397 ft75 ftAsphalt51° / 231°2 mph head, on 252 mph from the right
07251,000 ftN280° 3 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

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

Every hour from Wiscasset (IWI), Wiscasset Airport's own instrument, measure by measure, on the field's own clock.

Temperature

57 F at 11 PM Friday; 63 F at its warmest, 9 PM Friday, and 37 F at its coolest, 1 AM Friday.

Now
57F
11 PM Friday
Highest
63F
9 PM Friday
Lowest
37F
1 AM Friday
Temperature and Dew point at Wiscasset, temperature from 37.0 to 62.7, the latest 57.0; dew point from 34.0 to 59.7, the latest 51.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF30405060703 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17FREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 51 F, the air 80% saturated; the humidity ran from 74% at 10 AM Friday to 93% at 5 PM Friday.

Dew point now
51F
11 PM Friday
Humidity now
80%
Humidity, range
74 to 93%
Relative humidity at Wiscasset, relative humidity from 74 to 93, the latest 80, in per cent.RELATIVE HUMIDITY%7075808590953 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17

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

Wind

8 mph from the west northwest at 12 AM; at its strongest 10 mph, 1 PM Friday, with a gust of 23 mph at 11 AM Friday.

Now
8mph
from the west northwest
Strongest
10mph
1 PM Friday
Highest gust
23mph
11 AM Friday
Wind and Gust at Wiscasset, wind from 0 to 10, the latest 8; gust from 16 to 23, the latest 16, in miles an hour.WIND AND GUSTmph01020303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17WINDGUST
Wind direction at Wiscasset, wind direction from 80 to 300, the latest 300, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17

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

Pressure

29.67 inHg at 12 AM, rising 0.11 inHg over 3 hours; 0.49 inHg lower than a day before.

Now
29.67inHg
12 AM
3 hours
+0.11inHg
rising
24 hours
-0.49inHg
Pressure, altimeter at Wiscasset, pressure, altimeter from 29.55 to 30.16, the latest 29.67, in inches of mercury.PRESSURE, ALTIMETERinHg29.4029.6029.8030.0030.203 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17

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

Visibility

Down to 1 miles at 2 PM Friday; 10 miles or more now.

Now
10+mi
Lowest
1mi
2 PM Friday
Hours under a mile
0
Visibility at Wiscasset, visibility from 1.3 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17LIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 200 ft at 5 PM Friday; a base was reported in 20 of the hours.

Lowest base now
4,000ft
Lowest in 24 hours
200ft
5 PM Friday
Hours with a base reported
20
Lowest cloud base at Wiscasset, lowest cloud base from 200 to 8,500, the latest 4,000, in feet.LOWEST CLOUD BASEft02,5005,0007,50010,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17MVFRVFR

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

Precipitation

0.06 in measured in the gauge, the most, 0.01 in, in the hour to 8 AM Friday.

Last 24 hours
0.06in
Wettest hour
0.01in
8 AM Friday
Hours with some
15
Precipitation at Wiscasset, precipitation from 0.00 to 0.01, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17

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

Wiscasset: 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 Wiscasset 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

WiscassetIWI

At an airfield/0.0 mi away/69 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

MaineDoT - Richmond 2020ME018

Beside a road/13.7 mi away/161 ft/91 ft above here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Wiscasset 1.8 NNWME-LN-30

In a volunteer observer's own ground/5.3 mi away/218 ft/148 ft above here

precip, snowfall, snow depth

BathBTHM1

At a cooperative observer's station/7.5 mi away/1 ft/69 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Bath (BTHM1), 7.5 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in Maine

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

Near Wiscasset Airport

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

Near Wiscasset Airport