Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

50°F

10°C

Humidity 88%
Wind Speed NE 6 mph
Barometer 29.86 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 16 Apr 8:15 pm EDT
Extended Forecast for

Port Huron MI

Flood Watch April 16, 08:37pm until April 17, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 16, 08:37pm until April 17, 12:00am

    NOW until 12:00am Fri

    Flood Watch

  • Tonight

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 50. South southeast wind 6 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 50%.

    Low: 50 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers after 8am.  High near 65. South wind 11 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm.  Partly cloudy, with a low around 35. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Tonight
A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 43. North wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 50. South southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms, then showers after 8am. High near 65. South wind 11 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 8pm. Partly cloudy, with a low around 35. West northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.97°N 82.43°W (Elev. 600 ft)
4:24 pm EDT Apr 16, 2026
8pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database