National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Mostly Cloudy

64°F

18°C

Humidity 83%
Wind Speed SW 7 mph
Barometer 29.62 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 7 Mar 2:16 pm EST
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 64. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 64 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely before 7pm. Mostly cloudy, with a low around 36. West wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 54. Southwest wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 54 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. South southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 62. South southwest wind around 11 mph, with gusts as high as 22 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 59.

    High: 59 °F

    Rain

Detailed Forecast

This Afternoon
A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 64. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tonight
Rain likely before 7pm. Mostly cloudy, with a low around 36. West wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 54. Southwest wind 7 to 14 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 42. South southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 62. South southwest wind around 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
Rain. Mostly cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 59.
Wednesday Night
Rain and snow likely, mainly before 1am. Cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.97°N 82.43°W (Elev. 600 ft)
Last Update:
2:24 pm EST Mar 7, 2026
Forecast Valid:
2pm EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation