Harrisburg International Airport

KMDT / MDT

Harrisburg, US

Last Updated
Mar 4, 14:56Z

Current Weather

Display Units
Recent 59 min ago
14:56Z

☀️ Day
MVFR
Flight Rules
4°C
Temperature
Dewpoint: 3°C
4 kt
310°
3 SM
Visibility
2,200 ft
Ceiling
Above Ground Level
1025 hPa
QNH
Altimeter Setting

Raw METAR

METAR KMDT 041456Z 31004KT 3SM BR SCT006 OVC022 04/03 A3027 RMK AO2 SFC VIS 4 RAE29 SLP254 P0000 60000 T00390028 51011

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 310 ft
SCT 600 ft AGL
OVC 2,200 ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
600 ft
AGL (Above Ground)
910 ft AMSL
☁️
OVC
Overcast (8/8 sky coverage)
2,200 ft
AGL (Above Ground)
2,510 ft AMSL
QNH
1025 hPa
Sea Level Pressure
For altitude above MSL
QFE
1015 hPa
Field Pressure
Height above aerodrome (310 ft)
Pressure Alt
-43 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -1,289 ft
ISA Deviation: -10.4°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KMDT 041520Z 0415/0512 VRB02KT 4SM BR SCT005 OVC022 TEMPO 0415/0417 4SM -SHRA BR BKN005 FM042100 VRB02KT 4SM BR SCT007 OVC015 FM050300 00000KT 1 1/2SM BR OVC006 FM050800 10002KT 1 1/2SM -RA BR OVC004
Upcoming Changes (Next 12 Hours)
15:54Z BASE
+0h
MVFR VRB 2 kt
Visibility: 4SM
Ceiling: 2,200 ft
Mist
21:00Z FM042100
+6h
MVFR VRB 2 kt
Visibility: 4SM
Ceiling: 1,500 ft
Mist
03:00Z FM050300
+12h
IFR
Visibility: 1/2SM
Ceiling: 600 ft
Mist

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
MDT
13
31 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 13/31
Active: 31
10,001 ft 200 ft ASP 116°
4.0 kt 0.0 kt
0° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KMDT

4,646 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
75.5%
MVFR
13.7%
IFR
7%
LIFR
3.8%

Harrisburg International Airport typically experiences VFR conditions 75.5% of the time, though instrument-rated pilots will find IFR weather present approximately 10.8% of observations. Prevailing winds are from the NW averaging 8.1 knots, with gusts recorded up to 33 knots. Calm conditions occur 22.7% of the time. Temperature extremes range from -17°C to 31°C, reflecting significant seasonal variation. The best months for VFR flying are October, January, September.

Wind Analysis

Prevailing Direction: NW (315°)
Average Speed: 8.1 kt
Maximum Recorded: 33 kt
Calm Winds: 22.7%
Direction Distribution:
N
6.6%
NE
3.3%
E
8.9%
SE
13.6%
S
5%
SW
2.8%
W
12.8%
NW
24.2%

Temperature Range

Average: 4.9°C
Range: -17°C to 31°C
-17°C 31°C

Visibility

Average: 8.9 SM
Below 3 SM: 3.6%
Fog Frequency: 4.2%

Best Months for VFR

October January September

Runway Wind Analysis

Runway 13/31
Favorable wind: 100%
Avg crosswind: 2.9 kt

Statistics computed from 4,646 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Harrisburg International Airport - Airport Information

Airport Details

ICAO Code: KMDT
IATA Code: MDT
Type: medium airport
Status: active
Elevation: 310 ft MSL

Location

City: Harrisburg
Country: US
Latitude: 40.193501°
Longitude: -76.763397°
Time Zone: Etc/GMT+5

Runway Information

Runway 13/31
Length: 10,001 ft
Width: 200 ft
Surface: ASP
ILS: No

About Harrisburg International Airport

Overview

Harrisburg International Airport (KMDT) serves the Harrisburg metropolitan area in Pennsylvania, situated at an elevation of 310 feet MSL. The airport supports medium-sized aviation operations with a single primary runway 13/31, which measures 10,001 feet in length with an asphalt surface. Its strategic location and substantial runway provide flexible operational capabilities for various aircraft types.

Flying Conditions

Weather conditions at KMDT demonstrate predominantly favorable flying conditions, with Visual Flight Rules (VFR) prevailing 77.8% of the time. The airport experiences moderate temperature variations, ranging from -13°C to 31°C, with an average temperature of 7.5°C. Wind patterns are predominantly northwest at 315 degrees, averaging 8 knots, with calm conditions occurring 22% of the time and maximum gusts reaching 33 knots.

Notable Features

The airport's geographic positioning offers consistent wind alignment, with runway 13/31 experiencing favorable wind conditions 100% of the time. Average crosswind components remain minimal at 3 knots, enhancing landing and takeoff predictability. Visibility typically remains excellent, averaging 9 statute miles, with limited instances of reduced visibility (below 3SM occurring only 2.6% of the time).

Approach Considerations

Seasonal flying presents optimal conditions during October, September, and January, characterized by high VFR probability. Pilots should anticipate potential marginal conditions, with Marginal VFR occurring 13.6% of the time and Instrument Flight Rules developing in 5.6% of observations. Fog appears infrequently, affecting operations in just 2.7% of recorded weather events.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.