Harrisburg International Airport (KMDT) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Harrisburg International Airport in Harrisburg, PA, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Harrisburg International Airport (KMDT) is a regional airport serving Harrisburg, PA at 310 ft. KMDT reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 2 runways (13, 31), longest 10,001 ft, are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KMDT in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture: flight category, wind, or ceiling past your selected minimums.
Wind from the north-northeast (030°) at 3 kt, visibility 10+ statute miles, overcast at 1,200 ft, temperature 21°C (70°F), altimeter 29.92 inHg. Conditions are Marginal VFR (MVFR), ceiling 1,200 ft.
METAR KMDT 130856Z COR 03003KT 10SM OVC012 21/19 A2992 RMK AO2 RAB16E55 SLP131 P0000 60001 T02110189 58021
What changed at KMDT?
Since the 0803Z (4:03 AM EDT) report, compared automatically against the latest METAR.
- Pressure falling: altimeter 29.95 → 29.92 inHg.
This is exactly what ATIS Alerts watches for you: get a Telegram message when KMDT's weather changes, free →
Current pilot readout for KMDT
KMDT is currently MVFR with winds from 030° at 3 knots, visibility 10+ statute miles, and a 1,200 ft ceiling. The strongest crosswind component is currently on runway 13, about 3 knots. Density altitude is approximately 1,100 ft (field elevation 310 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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For pilots and crews overnighting at Harrisburg International Airport (KMDT).
Nearby Pilot Hotel Deals
Well-reviewed places under $500 a night near KMDT (MDT); drag to explore or tap a pin for the rate.
Crew Rental Car Deals
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Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KMDT. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 13FAV | 10,001 ft | ASP | 0 kt head | 3 kt left |
| 31 | 10,001 ft | ASP | 0 kt head | 3 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 0→3 kt, ceiling 8,000 ft → 1,200 ft.
KMDT weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Harrisburg International Airport in Harrisburg, PA: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KMDT is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KMDT
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
BWI UA /OV BAL330006/TM 0415/FL012/TP C25A/SK BASES OVC015
BWI UAHeader: reporting station and UA: a routine pilot report.OV BAL330006Location: fix or navaid, optionally with a radial and distance in NM.TM 0415Reported at 04:15 UTC.FL012Altitude: 1,200 ft MSL.TP C25AAircraft type reporting.SK BASES OVC015Sky condition: cloud bases and tops in hundreds of feet MSL.Show raw report
OYM UA /OV SLT/TM 0359/FL330/TP A21N/TB OCNL MOD/RM ZOB
OYM UAHeader: reporting station and UA: a routine pilot report.OV SLTLocation: fix or navaid, optionally with a radial and distance in NM.TM 0359Reported at 03:59 UTC.FL330Altitude: 33,000 ft MSL.TP A21NAircraft type reporting.TB OCNL MODTurbulence: occasional moderate.RM ZOBRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KMDT
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KMDT reported a mix of conditions, most often VFR across 32 observations, with 9 flight-category changes. The lowest ceiling was 1,200 ft. Wind most often came from the SE.
Most recent change: VFR → MVFR
Most recent change: VFR → MVFR
- 31
- 59%
- 13
- 41%
TAF | Terminal Aerodrome Forecast
Issued 0539Z (1:39 AM EDT)
TAF KMDT 130539Z 1306/1406 VRB03KT P6SM -SHRA FEW003 OVC015 FM130800 VRB03KT 5SM -SHRA BR FEW003 OVC007 FM131600 29004KT P6SM OVC015 FM131900 27006KT P6SM SCT025 BKN035 FM132100 28005KT P6SM FEW040 FM140400 30007KT P6SM SCT050 SCT100
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KMDT
- IATA
- MDT
- FAA LID
- MDT
- City
- Harrisburg
- State
- Pennsylvania
- Country
- United States
- Elevation
- 310 ft
- Coordinates
- 40.1928, -76.7623
- Runways
- 2
- Longest runway
- 10,001 ft
- Weather reporting
- Reports METAR
- TAF
- Published
- ATIS
- 118.8 MHz
- Time zone
- America/New_York
- Next sunset
- 13h 36m
Run a flight school, FBO, or club here? Embed KMDT's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Keystone RC Soc Inc 1 , Middletown, PA · 3 mi
- Masonic Village Model Flying Club - Free Mason Dr , Elizabethtown, PA · 8 mi
- Harrisburg Area Flying Society - Elmerton Field , Harrisburg, PA · 9 mi
Historical Flying Weather at KMDT
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KMDT reported VFR conditions during about 80.7% of valid daylight observations, with an estimated 277 VFR flying days a year. July had the most VFR weather; December had the most instrument conditions. Surface winds averaged 5.8 kt, calm 22.0% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 78.1 | 10.1 | 6.8 | 4.9 |
| Feb | 79.0 | 9.3 | 7.6 | 4.1 |
| Mar | 80.3 | 10.8 | 6.3 | 2.5 |
| Apr | 81.7 | 12.2 | 5.2 | 1.0 |
| May | 77.9 | 14.3 | 6.0 | 1.8 |
| Jun | 84.1 | 11.3 | 4.0 | 0.6 |
| Jul | 87.5 | 9.6 | 2.4 | 0.4 |
| Aug | 84.1 | 12.3 | 3.0 | 0.6 |
| Sep | 80.0 | 13.8 | 4.8 | 1.4 |
| Oct | 79.5 | 13.7 | 4.8 | 2.0 |
| Nov | 82.9 | 10.4 | 4.8 | 2.0 |
| Dec | 72.1 | 14.0 | 8.2 | 5.7 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 6.9 kt |
| Feb | 7.2 kt |
| Mar | 7.6 kt |
| Apr | 7.3 kt |
| May | 5.6 kt |
| Jun | 5.4 kt |
| Jul | 4.4 kt |
| Aug | 4.3 kt |
| Sep | 4.3 kt |
| Oct | 5.1 kt |
| Nov | 5.9 kt |
| Dec | 6.1 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KMDT airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for Harrisburg International Airport in Harrisburg, PA shows the runway and taxiway layout across 2 runways, ramp areas, and hold-short positions. Review it before taxiing at an unfamiliar field.
Official FAA airport diagram · d-TPP cycle 2610 · Not for navigation. Download the official FAA PDF ↗
KMDT weather: frequently asked
What runways are available at KMDT?+
KMDT has 2 runways: 13, 31; the longest is 10,001 ft. This page computes the live crosswind for each runway end from the current wind.
Does KMDT report its own weather?+
Yes. Harrisburg International Airport has its own weather station and publishes METAR observations, which this page decodes live.
Does KMDT have a TAF?+
Yes. The TAF is shown on this page below the current conditions.
Does KMDT broadcast D-ATIS?+
No. KMDT does not broadcast D-ATIS. Alerts for KMDT from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Where can I find the KMDT airport diagram?+
The official FAA airport diagram for Harrisburg International Airport (KMDT) is shown on this page. It maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).
Pilot PIREPs for Harrisburg International Airport (KMDT)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Harrisburg International Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KMDT yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport, showing METAR.
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