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St Clair County International Airport (KPHN) Aviation Weather: METAR

As of 7:35 PM EDT, Oct 27, KPHN is currently VFR with winds from 090° at 2 knots, visibility 10+ statute miles, and no ceiling reported.

Live aviation weather for St Clair County International Airport in Port Huron, MI, including METAR, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.

St Clair County International Airport (KPHN) is a general aviation airport serving pilots in and around Port Huron, MI at a field elevation of 650 ft. KPHN reports its own METAR, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has 2 physical runways (04/22, 10/28), the longest 5,104 ft. Automated weather is broadcast on 118.375.

Ask ATIS AIAsk anything about KPHN's weather, runways or delays, or search another airport.
VFR
Observed 2335Z (7:35 PM EDT)live · refreshes every 60s
Wind
090° 2 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.33"
Temp / Dew
52°F / 11°C
dew 43°F / 6°C

Wind from the east (090°) at 2 kt, visibility 10+ statute miles, no cloud data, temperature 11°C (52°F), altimeter 30.33 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KPHN 272335Z AUTO 09002KT 10SM CLR 11/06 A3033 RMK AO2

What changed at KPHN?

Since the 2315Z (7:15 PM EDT) report, compared automatically against the latest METAR.

No significant changes since the 2315Z (7:15 PM EDT) report, conditions are holding steady.

Current pilot readout for KPHN

KPHN is currently VFR with winds from 090° at 2 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors runway ends 04, 10. Density altitude is approximately -200 ft (field elevation 650 ft). KPHN does not publish a TAF. The nearest TAF station is KMTC, about 22 nm away.

KPHN by the numbers

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

75%
of daylight hours VFR, 2006 to 2025

KPHN reported VFR in 75% of daylight observations over 20 years, about 234 flyable days a year. June is the most reliable month and December the least, with IFR or worse 15% of the time. When conditions drop it is usually a mix of low ceilings (under 1,000 ft 8% of hours) and low visibility (under 3 miles 7%).

35%
of windy hours favor runway 22

Over 20 years of hourly winds, runway 22 had the best headwind 35% of the time, runway 28 30%, and winds were calm 27% of hours. Winds most often blow from the south. Crosswind on the best available runway topped 15 kt in under 1% of hours.

69
snow days a year

Snow fell on about 69 days a year. From December to February KPHN was IFR or worse 15% of the time, against 10% from June to August.

66
fog days a year

Fog was reported on about 66 days a year, and fog or mist on 178. August and September are the foggiest months, with fog in 16% of hours, against 4% in April.

16%
of hours with gusts

Gusts showed up in 16% of hours, typically 7 kt above the steady wind, and the strongest credible gust on record was 42 kt. April is the windiest month (mean 6 kt) and August the calmest.

Sources: hourly observations 2006 to 2025 and the per-runway wind climatology 2006 to 2025. 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
10FAV2 kt head0 kt
041 kt head2 kt right
221 kt tail2 kt left
282 kt tail0 kt

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

KPHN runways

2 physical runways · 4 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 04/22
    5,104 × 100 ft · ASP
    Status not monitored
    Current use
    no stated-runway source at KPHN
    Wind
    04
    1 kt headwind · 2 kt crosswind from right
    22
    1 kt tailwind · 2 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →
  • Runway 10/28
    4,000 × 75 ft · ASP
    Status not monitored
    Current use
    no stated-runway source at KPHN
    Wind
    10
    2 kt headwind · 0 kt crosswind
    28
    2 kt tailwind · 0 kt crosswind
    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
091823Z11Z23Z

Over the last 24 h: wind 8→2 kt, ceiling 4,300 ft → unlimited.

KPHN 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 KPHN

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

PIREP1842Z (2:42 PM EDT) · 77 NM NW of KPHN · 3,000 ft MSL · CRJ9
Show raw report
MBS UA /OV MBS/TM 1842/FL030/TP CRJ9/RM BASES 030 TOPS 045
MBS UAHeader: reporting station and UA: a routine pilot report.
OV MBSLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1842Reported at 18:42 UTC.
FL030Altitude: 3,000 ft MSL.
TP CRJ9Aircraft type reporting.
RM BASES 030 TOPS 045Remarks.
PIREP1818Z (2:18 PM EDT) · 77 NM NW of KPHN · 4,000 ft MSL · P28A
Show raw report
MBS UA /OV MBS/TM 1818/FL040/TP P28A/RM BASES 040 TOPS 045
MBS UAHeader: reporting station and UA: a routine pilot report.
OV MBSLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1818Reported at 18:18 UTC.
FL040Altitude: 4,000 ft MSL.
TP P28AAircraft type reporting.
RM BASES 040 TOPS 045Remarks.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at KPHN

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KPHN reported mostly VFR across 72 observations, with 0 flight-category changes. The strongest gust reached 16 kt, the lowest ceiling was 4,300 ft. Wind most often came from the NE.

Last 24 hours
VFR 100%
Wind avg/max: 5/12 kt
Max gust: 16 kt
Lowest ceiling: 4,300 ft
Lowest vis: -
Prevailing wind: NE
Category changes: 0
Last 7 days
VFR 73%MVFR 9%IFR 6%LIFR 12%
Wind avg/max: 3/12 kt
Max gust: 16 kt
Lowest ceiling: 0 ft
Lowest vis: 0.25 sm
Prevailing wind: NE
Category changes: 42

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.

22
36%
04
29%
28
23%
10
12%

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Live KPHN Weather

Live crosswind meter

Measured by KPHN's own weather station.

N10282 kt
Headwind
2 kt
Crosswind
0 kt

Wind is 5° off runway 10, the end with the most headwind right now.

Asphalt · 4,000 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of St Clair County International Airport (KPHN) with runway 04/22, 10/28 marked
N ↑

Runway 04/22, 10/28 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
Daily 0800-1700 local
Repairs
Airframe & engine, major
Transient parking
Tie-downs · Hangars
Landing fee
Yes
Control tower
None
Wind indicator
Lighted

Airport

Type
General aviation airport
ICAO
KPHN
IATA
PHN
FAA LID
PHN
City
Port Huron
State
Michigan
Country
United States
Elevation
650 ft
Coordinates
42.9110, -82.5289
Runways
2 physical runways · 4 runway ends
Longest runway
5,104 ft
Weather reporting
Reports METAR
TAF
Nearest KMTC
AWOS/ASOS
118.375 MHz
Time zone
America/Detroit
Next sunset
22h 39m

Run a flight school, FBO, or club here? Embed KPHN'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 Michigan airports →

Historical Flying Weather at KPHN

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KPHN reported VFR conditions during about 74.5% of valid daylight observations, with an estimated 234 VFR flying days a year. June had the most VFR weather; December had the most instrument conditions. Surface winds averaged 4.9 kt, calm 26.9% of the time.

VFR Score
37
Wind Score
77
Reliability Score
30
National VFR rank
#1139 of 1,400
Regional rank
#53
State rank
#12
Full historical breakdown
Daylight VFR
74.5%
MVFR
18.0%
IFR
6.8%
LIFR
4.6%
Est. VFR days/yr
234
Most VFR month
June
Fewest VFR month
December
Median ceiling
3,100 ft
Median visibility
10 sm
Calm wind
26.9%
Median wind
5 kt
Gusty hours
16.1%
Crosswind >15 kt
0.0%
Fog/mist days/yr
178
Thunderstorm days/yr
0
Summer density alt
1,903 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KPHN monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan53.831.19.95.3
Feb63.623.09.04.3
Mar70.219.46.44.0
Apr77.913.55.72.9
May79.811.84.93.5
Jun81.710.94.92.6
Jul78.711.95.34.1
Aug74.712.96.06.4
Sep69.315.17.48.3
Oct74.015.76.34.0
Nov70.719.16.53.7
Dec53.031.79.16.3

Average wind by month

037JanFebMarAprMayJunJulAugSepOctNovDec
KPHN average wind by month, 2006–2025
MonthMean wind (kt)
Jan5.7 kt
Feb5.8 kt
Mar6.1 kt
Apr6.2 kt
May5.0 kt
Jun4.1 kt
Jul3.3 kt
Aug3.3 kt
Sep3.6 kt
Oct4.7 kt
Nov5.3 kt
Dec5.4 kt

Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.

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

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Pilot PIREPs for St Clair County International Airport (KPHN)

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 St Clair County 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 KPHN 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.

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