Skip to content
Know before you taxi

All Products

My Airports

Your shortcuts, saved on this device. Search to add an airport.

No airports saved yet. Add the fields you visit most.

Ask ATIS

Harrisburg International Airport (KMDT) Aviation Weather: METAR, TAF & ATIS

As of 9:56 PM ET, Oct 28, KMDT is currently VFR with winds from 100° at 4 knots, visibility 10+ statute miles, and no ceiling reported. The FAA lists no ground stop or delay program for KMDT right now.

Live aviation weather for Harrisburg International Airport in Harrisburg, PA, including METAR, TAF, ATIS, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.

Harrisburg International Airport (KMDT) is a regional airport serving Harrisburg, PA at a field elevation of 310 ft. KMDT reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has one runway (13/31), the longest 10,001 ft. The official FAA airport diagram is at the bottom of the page.

Ask ATIS AIAsk anything about KMDT's weather, runways or delays, or search another airport.
VFR
Observed 0156Z (9:56 PM EDT)live · refreshes every 60s
Wind
100° 4 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.34"
Temp / Dew
51°F / 11°C
dew 44°F / 7°C

Wind from the east (100°) at 4 kt, visibility 10+ statute miles, scattered clouds at 25,000 ft, temperature 11°C (51°F), altimeter 30.34 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KMDT 290156Z 10004KT 10SM SCT250 11/07 A3034 RMK AO2 SLP277 T01060067

What changed at KMDT?

Since the 0056Z (8:56 PM EDT) report, compared automatically against the latest METAR.

No significant changes since the 0056Z (8:56 PM EDT) report, conditions are holding steady.

Current pilot readout for KMDT

KMDT is currently VFR with winds from 100° at 4 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors runway ends 13. Density altitude is approximately -650 ft (field elevation 310 ft). Review the latest TAF below for forecast changes before departure.

KMDT by the numbers

What the long-run records say about flying here, computed for this airport alone.

0
FAA ground stops or delay programs, last 12 months

The FAA issued no ground stop or ground delay program for MDT in the 12 months to October 2026. Delays here come from the airlines or from programs at other airports rather than from MDT's own airspace.

MDT delay status →

81%
of daylight hours VFR, 2006 to 2025

KMDT reported VFR in 81% of daylight observations over 20 years, about 277 flyable days a year. July is the most reliable month and December the least, with IFR or worse 14% of the time. When conditions drop it is usually a mix of low ceilings (under 1,000 ft 5% of hours) and low visibility (under 3 miles 5%).

62%
of windy hours favor runway 31

Over 20 years of hourly winds, runway 31 had the best headwind 62% of the time, runway 13 38%, and winds were calm 26% of hours. Winds most often blow from the northwest. Crosswind on the best available runway topped 15 kt in under 1% of hours.

27
snow days a year

Snow fell on about 27 days a year and freezing rain or drizzle on 5. From December to February KMDT was IFR or worse 12% of the time, against 4% from June to August.

78%
of departures on time, June 2025 to May 2026

MDT departures left within 15 minutes of schedule 78% of the time across 5,544 flights, June 2025 to May 2026. Before 9 AM departures did best (90%) and 6 to 9 PM did worst (64%).

MDT delays by hour and weekday →

29
thunderstorm days a year

Thunderstorms were reported on about 29 days a year. 65% of storm hours fall in June, July and August, peaking in July when storms were in the air 1% of the time.

Sources: FAA ATCSCC advisories, hourly observations 2006 to 2025, the per-runway wind climatology 2006 to 2025 and BTS airline on-time data. Historical summaries, not a forecast: check the current METAR, TAF and a briefing before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

RunwayHead / TailCrosswind
13FAV4 kt head1 kt left
314 kt tail1 kt right

Open the crosswind calculator to try your own wind and runway numbers →

KMDT runways

1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 13/31
    10,001 × 200 ft · ASP
    Status not monitored
    Current use
    no stated-runway source at KMDT
    Wind
    13
    4 kt headwind · 1 kt crosswind from left
    31
    4 kt tailwind · 1 kt crosswind from right
    no active equipment NOTAM receivedView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
061202Z15Z01Z

Over the last 23 h: wind 0→4 kt, ceiling unlimited → unlimited.

KMDT weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of KMDT

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP0016Z (8:16 PM EDT) · 96 NM NE of KMDT · 19,000 ft MSL · B737
moderate turbulence
Show raw report
SMQ UA /OV BWZ/TM 0016/FL190/TP B737/TB MOD
SMQ UAHeader: reporting station and UA: a routine pilot report.
OV BWZLocation: fix or navaid, optionally with a radial and distance in NM.
TM 0016Reported at 00:16 UTC.
FL190Altitude: 19,000 ft MSL.
TP B737Aircraft type reporting.
TB MODTurbulence: moderate.

⚠️ 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 mostly VFR across 22 observations, with 0 flight-category changes. The lowest ceiling was 20,000 ft. Wind most often came from the SE.

Last 24 hours
VFR 100%
Wind avg/max: 2/7 kt
Max gust: -
Lowest ceiling: 20,000 ft
Lowest vis: -
Prevailing wind: SE
Category changes: 0
Last 7 days
VFR 98%MVFR 1%LIFR 1%
Wind avg/max: 3/12 kt
Max gust: 19 kt
Lowest ceiling: 300 ft
Lowest vis: 0.5 sm
Prevailing wind: NW
Category changes: 5

Most recent change: MVFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

31
69%
13
31%

TAF | Terminal Aerodrome Forecast

Issued 2348Z (7:48 PM EDT)

TAF KMDT 282348Z 2900/2924 13003KT P6SM BKN200 FM290900 12002KT 1/2SM FG OVC003 FM291500 20003KT P6SM BKN015 FM291700 22006KT P6SM SCT025 SCT250

New to TAFs? How to read one →

Get KMDT weather alerts in Telegram

Stop refreshing aviation weather manually. Track KMDT in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.

Track KMDT free on Telegram

Live KMDT Weather

Live crosswind meter

Measured by KMDT's own weather station.

N13314 kt
Headwind
4 kt
Crosswind (from the left)
1 kt

Wind is 17° off runway 13, the end with the most headwind right now.

Asphalt · 10,001 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Harrisburg International Airport (KMDT) with runway 13/31 marked
N ↑

Runway 13/31 drawn from FAA threshold coordinates.

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Fuel
100LL · Jet A
Attended
24 hours
Repairs
Airframe & engine, major
Oxygen
Bottled, low pressure · Bulk, high & low pressure
Transient parking
Tie-downs · Hangars
Landing fee
Yes
Other services
Avionics · Charter · Flight instruction · Aircraft rental
Control tower
Yes
Wind indicator
Lighted

Airport

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
1 physical runway · 2 runway ends
Longest runway
10,001 ft
Weather reporting
Reports METAR
TAF
Published
ATIS
118.8 MHz
Time zone
America/New_York
Next sunset
19h 23m

Is there a ground stop at MDT today? Delay status and history →

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.

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

All RC flying fields →

See all Pennsylvania airports →

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.

VFR Score
51
Wind Score
68
Reliability Score
46
National VFR rank
#634 of 1,400
Regional rank
#65
State rank
#9
Full historical breakdown
Daylight VFR
80.7%
MVFR
11.8%
IFR
5.3%
LIFR
2.3%
Est. VFR days/yr
277
Most VFR month
July
Fewest VFR month
December
Median ceiling
6,000 ft
Median visibility
10 sm
Calm wind
22.0%
Median wind
5 kt
Gusty hours
10.3%
Crosswind >15 kt
0.2%
Fog/mist days/yr
152
Thunderstorm days/yr
29
Summer density alt
1,876 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KMDT monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan78.110.16.84.9
Feb79.09.37.64.1
Mar80.310.86.32.5
Apr81.712.25.21.0
May77.914.36.01.8
Jun84.111.34.00.6
Jul87.59.62.40.4
Aug84.112.33.00.6
Sep80.013.84.81.4
Oct79.513.74.82.0
Nov82.910.44.82.0
Dec72.114.08.25.7

Average wind by month

048JanFebMarAprMayJunJulAugSepOctNovDec
KMDT average wind by month, 2006–2025
MonthMean wind (kt)
Jan6.9 kt
Feb7.2 kt
Mar7.6 kt
Apr7.3 kt
May5.6 kt
Jun5.4 kt
Jul4.4 kt
Aug4.3 kt
Sep4.3 kt
Oct5.1 kt
Nov5.9 kt
Dec6.1 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.

Official FAA airport diagram · d-TPP cycle 2611 · Not for navigation. Download the official FAA PDF ↗

Customize your MDT shirt or mug

MDT's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.

Shop MDT merch

Pilot PIREPs for Harrisburg International Airport (KMDT)

Community-submitted

Community-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.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

No D-ATIS at this airport, showing METAR.

Spotted incorrect airport info? ✏️ Suggest an edit

How ATIS Alerts works · All US airports · Pennsylvania airports