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

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Light Rain

61°F

16°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 13 May 2:35 am EDT
Extended Forecast for

Port Huron MI

  • Overnight

    Overnight: Showers likely, mainly after 5am. Cloudy, with a low around 59. South southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 72. Southeast wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. East southeast wind 6 to 8 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly cloudy, with a high near 72. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 72 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 57. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers after 2pm. Sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely, mainly after 5am. Cloudy, with a low around 59. South southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 72. Southeast wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 59. East southeast wind 6 to 8 mph.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 72. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 57. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A chance of thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 70%.
Friday
A chance of showers after 2pm. Sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Saturday
A chance of showers. Partly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.97°N 82.43°W (Elev. 600 ft)
Last Update:
4:24 pm EDT May 12, 2025
Forecast Valid:
2am EDT May 13, 2025-6pm EDT May 19, 2025
 
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