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.

Overcast

64°F

18°C

Humidity 64%
Wind Speed S 9 mph
Barometer 29.86 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 30 Mar 8:36 pm EDT
Extended Forecast for

Port Huron MI

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. South southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 66. Southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly before 2am. Low around 35. West wind around 9 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 39. North wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 34. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, then showers and possibly a thunderstorm after 8pm. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. South southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm. High near 66. Southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers, mainly before 2am. Low around 35. West wind around 9 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers. Mostly cloudy, with a high near 39. North wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 34. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers. High near 62. Chance of precipitation is 80%.
Thursday Night
Showers likely, then showers and possibly a thunderstorm after 8pm. Low around 52. Chance of precipitation is 80%.
Friday
A chance of showers. Partly sunny, with a high near 66.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 42.
Saturday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 65.
Saturday Night
Showers likely. Mostly cloudy, with a low around 42.
Sunday
A chance of showers. Mostly cloudy, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 47.
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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 Mar 30, 2026
Forecast Valid:
8pm EDT Mar 30, 2026-6pm EDT Apr 6, 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