Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

64°F

18°C

Humidity 78%
Wind Speed S 6 mph
Barometer 29.97 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 May 5:36 am EDT
Extended Forecast for

Port Huron MI

  • Today

    Today: A slight chance of showers and thunderstorms after 3pm.  Partly sunny through mid morning, then becoming sunny, with a high near 81. South southwest wind 9 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely.  Cloudy, then gradually becoming partly cloudy, with a low around 64. South southwest wind 9 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly after 2pm.  High near 82. South southwest wind 11 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Partly Sunny
    then Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am.  Low around 46. West southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. North wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 3pm. Partly sunny through mid morning, then becoming sunny, with a high near 81. South southwest wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely. Cloudy, then gradually becoming partly cloudy, with a low around 64. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm, mainly after 2pm. High near 82. South southwest wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 46. West southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 55. North wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 66.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 50.
Saturday
A chance of showers. Mostly cloudy, with a high near 68.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.99°N 82.43°W (Elev. 600 ft)
4:25 am EDT May 18, 2026
5am EDT May 18, 2026-6pm EDT May 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database