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Frederick Municipal Airport, Maryland

Small airport in Frederick County, Maryland

Air quality

The air at Frederick Municipal Airport

Index 20, good, led by ozone. Read at 2 AM from its reporting area, Maryland Piedmont (MD), 5 miles off.

20Good
  • Fine particles (PM2.5)-21.3 mi
  • Ozone20Good8 ppb0.3 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 19, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Frederick Municipal Airport

0.16 in in the last 24 hours, and none in the 2 days before, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.16in
Last 3 days
0.16in

Visibility

How far you can see at Frederick Municipal Airport, the next 42 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Fri 6 AM.

FriSat

Airfield

Code
FDK
ICAO
KFDK
IATA
FDK
Field elevation
303 ft
Serves
Frederick
Kind
Small airport
Scheduled service
No
Its own instrument
FDK
Wind now
From 170° at 6 mph, read 16 Oct, 02:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
05 / 235,819 ft100 ftAsphalt40° / 220°4 mph head, on 235 mph from the left
12 / 303,599 ft75 ftAsphalt116° / 296°4 mph head, on 125 mph from the right
052312302,000 ftN170° 6 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 Frederick Muni Apt (FDK), Frederick Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

60 F at 2 AM; 66 F at its warmest, 4 AM Thursday, and 57 F at its coolest, 4 PM Thursday.

Now
60F
2 AM
Highest
66F
4 AM Thursday
Lowest
57F
4 PM Thursday
Temperature and Dew point at Frederick Muni Apt, temperature from 57.2 to 66.0, the latest 59.5; dew point from 53.6 to 61.2, the latest 59.5, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50556065706 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 60 F, the air 100% saturated; the humidity ran from 72% at 9 AM Thursday to 100% at 4 PM Thursday.

Dew point now
60F
2 AM
Humidity now
100%
Humidity, range
72 to 100%
Relative humidity at Frederick Muni Apt, relative humidity from 72 to 100, the latest 100, in per cent.RELATIVE HUMIDITY%7080901006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

4 mph from the south at 2 AM; at its strongest 12 mph, 8 AM Thursday, and no gust reported.

Now
4mph
from the south
Strongest
12mph
8 AM Thursday
Highest gust
-
none reported
Wind at Frederick Muni Apt, wind from 0 to 12, the latest 4, in miles an hour.WINDmph0510156 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Wind direction at Frederick Muni Apt, wind direction from 10 to 170, the latest 170, in degrees.WIND DIRECTION°0901802703606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Pressure

30.05 inHg at 2 AM, falling 0.06 inHg over 3 hours; 0.08 inHg lower than a day before.

Now
30.05inHg
2 AM
3 hours
-0.06inHg
falling
24 hours
-0.08inHg
Pressure, altimeter at Frederick Muni Apt, pressure, altimeter from 30.05 to 30.24, the latest 30.05, in inches of mercury.PRESSURE, ALTIMETERinHg30.0530.1030.1530.2030.256 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

Down to 1 mile at 2 PM Thursday; 8 miles now.

Now
8mi
Lowest
1mi
2 PM Thursday
Hours under a mile
0
Visibility at Frederick Muni Apt, visibility from 1.0 to 10.0, the latest 8.0, in miles.VISIBILITYmi02.557.5106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 500 ft at 2 AM; a base was reported in 21 of the hours.

Lowest base now
-
Lowest in 24 hours
500ft
2 AM
Hours with a base reported
21
Lowest cloud base at Frederick Muni Apt, lowest cloud base from 500 to 16,000, the latest 500, in feet.LOWEST CLOUD BASEft05,00010,00015,00020,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMMVFRVFR

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

Precipitation

0.03 in measured in the gauge, the most, 0.01 in, in the hour to 12 AM.

Last 24 hours
0.03in
Wettest hour
0.01in
12 AM
Hours with some
3
Precipitation at Frederick Muni Apt, precipitation from 0.00 to 0.01, the latest 0.01, in inches.PRECIPITATIONin0.000.030.050.070.106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Frederick Muni Apt: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 6 instruments nearest Frederick Municipal 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 now4 instruments

Frederick Muni AptFDK

At an airfield/0.0 mi away/302 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

I-70 at MonacacyMD050

Beside a road/1.7 mi away/354 ft/51 ft above here

temp, pavement temp, wind, visibility, precip

Powder MillS2049

At a soil climate station/39.4 mi away/105 ft/198 ft below here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Frederick 1.3 ENEMD-FR-43

In a volunteer observer's own ground/1.5 mi away/286 ft/17 ft below here

precip, snowfall, snow depth

Damascus 3 SSWDMAM2

At a cooperative observer's station/13.0 mi away/676 ft/373 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Maryland

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

Near Frederick Municipal Airport

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

Near Frederick Municipal Airport