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.

Light Rain

36°F

2°C

Humidity 87%
Wind Speed E 8 mph
Barometer 30.17 in
Dewpoint 32°F (0°C)
Visibility 4.00 mi
Wind Chill30°F (-1°C)
Last update 2 Apr 9:55 am EDT
Extended Forecast for

Port Huron MI

  • Today

    Today: Rain and thunderstorms, mainly before 3pm. High near 57. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Rain then
    Chance Rain

  • Tonight

    Tonight: Rain and thunderstorms before 2am, then a chance of rain. Temperature rising to around 61 by 2am. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F⇑

    Rain

  • Friday

    Friday: Mostly sunny, with a temperature falling to around 56 by 5pm. Southwest wind around 14 mph, with gusts as high as 26 mph.

    High: 63 °F⇓

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely after 2am. Mostly cloudy, with a low around 39. North northeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Partly Cloudy
    then Rain
    Likely

  • Saturday

    Saturday: Rain, with thunderstorms also possible after 5pm. High near 64. East southeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain

  • Saturday Night

    Saturday Night: Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Rain then
    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain after 2pm. Partly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Rain and thunderstorms, mainly before 3pm. High near 57. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and thunderstorms before 2am, then a chance of rain. Temperature rising to around 61 by 2am. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a temperature falling to around 56 by 5pm. Southwest wind around 14 mph, with gusts as high as 26 mph.
Friday Night
Rain likely after 2am. Mostly cloudy, with a low around 39. North northeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, with thunderstorms also possible after 5pm. High near 64. East southeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain and possibly a thunderstorm before 8pm, then a chance of rain between 8pm and 2am. Low around 38. Chance of precipitation is 80%.
Sunday
Mostly cloudy, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
A chance of rain after 2pm. Partly sunny, with a high near 46.
Monday Night
A chance of rain before 8pm. Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 49.
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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:
9:24 am EDT Apr 2, 2026
Forecast Valid:
9am EDT Apr 2, 2026-6pm EDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation