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.

Fog

54°F

12°C

Humidity 94%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 52°F (11°C)
Visibility 0.25 mi
Last update 21 Jun 1:55 am EDT
Extended Forecast for

Port Huron MI

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 74 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Cloudy, with a low around 57. East wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Cloudy then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy, with a high near 70. North northeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. North wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 56. Calm wind.
Sunday
Increasing clouds, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
A chance of showers after 2am. Cloudy, with a low around 57. East wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
A chance of showers before 8am. Mostly cloudy, with a high near 70. North northeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 53. North wind 6 to 9 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Thursday
Showers likely, mainly after 2pm. Partly sunny, with a high near 76.
Thursday Night
Showers likely. Partly cloudy, with a low around 56.
Friday
A chance of showers. Mostly sunny, with a high near 76.
Friday Night
A chance of showers. Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.97°N 82.43°W (Elev. 600 ft)
Last Update:
8:14 pm EDT Jun 20, 2026
Forecast Valid:
2am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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