VFR · Visual Flight Rules
St Clair County International Airport
General Aviation Airport · Port Huron, MI, United States
Conditions are good for visual flight at St Clair County International Airport. It's 63°F with 68% humidity. Winds from 340° at 5 kt. Cloud ceiling 6,000 ft.
ICAOKPHNIATAPHNLOCALPHN
Zulu · UTC--:--:--Aviation standard time
Local · UTC-6--:--:--Approx. (from longitude)
Elevation650ft198 m
Longest runway5,104ft1,556 m
Runways22 lighted
Coordinates42.91, -82.5342°54'39.6"N 82°31'44.0"W
ClassGeneral AviationNo scheduled service
Current weather
63°F17°C · Dew 52°FVFR — Visual Flight Rules
340° @ 5 kt
- Visibility10+ sm
- Ceiling6,000 ft AGL
- Humidity68%
- Altimeter30.04 inHg
- Pressure1017.4 hPa
- GustsNone
Broken 6,000′Broken 7,000′Overcast 8,500′
Runway winds
04★ Best
Headwind3 kt
Crosswind4 kt from L
22
Tailwind3 kt
Crosswind4 kt from R
Wind components are computed from the reported surface wind and true runway headings. Actual runway selection is made by the airport and ATC — always consult official information.
Quick answers
- What is the weather at St Clair County International Airport (KPHN) right now?
- Conditions are good for visual flight at St Clair County International Airport. It's 63°F with 68% humidity. Winds from 340° at 5 kt. Cloud ceiling 6,000 ft. (observed 23:15 UTC)
- Is KPHN VFR or IFR right now?
- KPHN is currently reporting VFR (Visual Flight Rules), based on the latest METAR.
- Which runway at KPHN has the best headwind right now?
- With the wind from 340° at 5 kt, runway 04 gives a 3 kt headwind and 4 kt crosswind. ATC and the airport choose the runway actually in use.
- How many runways does St Clair County International Airport have?
- St Clair County International Airport has 2 runways; the longest is 5,104 ft (1,556 m). Field elevation is 650 ft.
- What are the tower and ATIS frequencies at KPHN?
- AWOS 118.375 MHz (community data — confirm against current charts).
- What time is sunrise and sunset at KPHN?
- On 2026-10-04, sunrise is at 11:31 UTC and sunset at 23:06 UTC; civil twilight ends at 23:34 UTC.
- Are there delays at KPHN right now?
- The FAA currently reports no ground stops, delay programs or closures at KPHN.
Runways
04/22◐ lit
10/28◐ lit
Radio frequencies
AWOS118.375AWOS 3
UNICOM123.05CTAF/UNICOM
Approach119.60SELFRIDGE APP/DEP
Frequencies (MHz) come from the OurAirports community dataset and can lag official changes. Confirm against the current chart supplement or AIP before flight.
Nearby navaids
Distance and true bearing from the airport reference point