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

55°F

13°C

Humidity 72%
Wind Speed NE 9 mph
Barometer 30.21 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 15 Oct 2:15 am EDT
Extended Forecast for

Port Huron MI

  • Overnight

    Overnight: Mostly cloudy, with a low around 47. East northeast wind around 6 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 62. East wind 5 to 8 mph.

    High: 62 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly before 5am. Low around 52. East southeast wind 7 to 9 mph becoming south southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain

  • Friday

    Friday: Rain, mainly after 2pm. High near 59. West wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain
    then Rain

  • Friday Night

    Friday Night: Rain, mainly before 2am. Low around 38. Breezy, with a north wind 15 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 47. East northeast wind around 6 mph.
Thursday
Mostly cloudy, with a high near 62. East wind 5 to 8 mph.
Thursday Night
Rain, mainly before 5am. Low around 52. East southeast wind 7 to 9 mph becoming south southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly after 2pm. High near 59. West wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain, mainly before 2am. Low around 38. Breezy, with a north wind 15 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 51.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 64.
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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 am EDT Oct 15, 2026
Forecast Valid:
2am EDT Oct 15, 2026-6pm EDT Oct 21, 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