St Clair County International Airport (KPHN) Aviation Weather: METAR
As of 7:15 PM EDT, Oct 28, KPHN is currently VFR with winds from 170° at 4 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.
Wind from the south (170°) at 4 kt, visibility 10+ statute miles, no cloud data, temperature 15°C (59°F), altimeter 30.19 inHg. Conditions are Visual Flight Rules (VFR).
METAR KPHN 282315Z AUTO 17004KT 10SM CLR 15/09 A3019 RMK AO2
What changed at KPHN?
Since the 2255Z (6:55 PM EDT) report, compared automatically against the latest METAR.
No significant changes since the 2255Z (6:55 PM EDT) report, conditions are holding steady.
Current pilot readout for KPHN
KPHN is currently VFR with winds from 170° at 4 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors southwest-facing runway ends (22). Density altitude is approximately 450 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.
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%).
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.
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.
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.
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.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 22FAV | 5,104 ft | ASP | 3 kt head | 3 kt left |
| 10 | 4,000 ft | ASP | 1 kt head | 4 kt right |
| 28 | 4,000 ft | ASP | 1 kt tail | 4 kt left |
| 04 | 5,104 ft | ASP | 3 kt tail | 3 kt right |
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.
- Status not monitoredRunway 04/225,104 × 100 ft · ASPCurrent useno stated-runway source at KPHNWind
- 04
- 3 kt tailwind · 3 kt crosswind from right
- 22
- 3 kt headwind · 3 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence → - Status not monitoredRunway 10/284,000 × 75 ft · ASPCurrent useno stated-runway source at KPHNWind
- 10
- 1 kt headwind · 4 kt crosswind from right
- 28
- 1 kt tailwind · 4 kt crosswind from left
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.
Over the last 24 h: wind 2→4 kt, ceiling unlimited → unlimited.
KPHN weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
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.
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 lowest ceiling was 6,000 ft. Wind most often came from the SE.
Most recent change: MVFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 22
- 38%
- 04
- 27%
- 28
- 21%
- 10
- 14%
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Track KPHN free on TelegramLive KPHN Weather
Live crosswind meter
Measured by KPHN's own weather station.
Wind is 46° off runway 22, the end with the most headwind right now.
Asphalt · 5,104 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
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
- 23h 1m
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.
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.
- River District RC Eagles Inc - Ravenswood Rd , Smiths Creek, MI · 2 mi
- The St Clair County Propbusters R/C Club - Goodells Park , Goodells, MI · 8 mi
- East Wings Model Club - Pond Site Bordman Rd , Memphis, MI · 12 mi
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.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 53.8 | 31.1 | 9.9 | 5.3 |
| Feb | 63.6 | 23.0 | 9.0 | 4.3 |
| Mar | 70.2 | 19.4 | 6.4 | 4.0 |
| Apr | 77.9 | 13.5 | 5.7 | 2.9 |
| May | 79.8 | 11.8 | 4.9 | 3.5 |
| Jun | 81.7 | 10.9 | 4.9 | 2.6 |
| Jul | 78.7 | 11.9 | 5.3 | 4.1 |
| Aug | 74.7 | 12.9 | 6.0 | 6.4 |
| Sep | 69.3 | 15.1 | 7.4 | 8.3 |
| Oct | 74.0 | 15.7 | 6.3 | 4.0 |
| Nov | 70.7 | 19.1 | 6.5 | 3.7 |
| Dec | 53.0 | 31.7 | 9.1 | 6.3 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 5.7 kt |
| Feb | 5.8 kt |
| Mar | 6.1 kt |
| Apr | 6.2 kt |
| May | 5.0 kt |
| Jun | 4.1 kt |
| Jul | 3.3 kt |
| Aug | 3.3 kt |
| Sep | 3.6 kt |
| Oct | 4.7 kt |
| Nov | 5.3 kt |
| Dec | 5.4 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.
Pilot PIREPs for St Clair County International Airport (KPHN)
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 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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