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.

Overcast

36°F

2°C

Humidity 81%
Wind Speed N 16 G 22 mph
Barometer 30.17 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 1 Apr 6:55 am EDT
Extended Forecast for

Port Huron MI

  • Today

    Today: Mostly cloudy, with a steady temperature around 35. North northeast wind around 11 mph, with gusts as high as 21 mph.

    High: 35 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 38 by 4am. East northeast wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 35 °F⇑

    Mostly Cloudy

  • Thursday

    Thursday: Rain, mainly between 8am and 2pm. High near 58. East wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 8pm. Low around 52. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain

  • Friday

    Friday: Rain likely before 8am. Mostly sunny, with a high near 69. West southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Rain Likely
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain. High near 68. Chance of precipitation is 90%.

    High: 68 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 2am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain

  • Sunday

    Sunday: A chance of rain before 8am. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Today
Mostly cloudy, with a steady temperature around 35. North northeast wind around 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a temperature rising to around 38 by 4am. East northeast wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday
Rain, mainly between 8am and 2pm. High near 58. East wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain, mainly after 8pm. Low around 52. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely before 8am. Mostly sunny, with a high near 69. West southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Saturday
Rain. High near 68. Chance of precipitation is 90%.
Saturday Night
Rain, mainly before 2am. Mostly cloudy, with a low around 39.
Sunday
A chance of rain before 8am. Mostly cloudy, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 45.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Tuesday
A chance of snow. Partly sunny, with a high near 41.
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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 am EDT Apr 1, 2026
Forecast Valid:
7am EDT Apr 1, 2026-6pm EDT Apr 7, 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