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

61°F

16°C

Humidity 83%
Wind Speed SE 3 mph
Barometer 30.04 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Sep 9:15 pm EDT
Extended Forecast for

4 Miles S Port Sanilac MI

  • Tonight

    Tonight: A chance of showers, mainly after 1am. Cloudy, with a low around 61. East southeast wind 13 to 15 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly before 7am. Mostly cloudy, with a high near 65. Breezy, with a north northeast wind 15 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 65 °F

    Breezy.
    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. Windy, with a northeast wind 24 to 26 mph, with gusts as high as 29 mph.

    Low: 57 °F

    Mostly Cloudy
    and Windy

  • Monday

    Monday: Mostly cloudy, with a high near 61. Breezy, with an east northeast wind 16 to 21 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Breezy, with an east wind around 24 mph.

    Low: 56 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Breezy.

    High: 62 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Windy.

    Low: 55 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. Breezy.

    High: 63 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Windy.

    Low: 55 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
A chance of showers, mainly after 1am. Cloudy, with a low around 61. East southeast wind 13 to 15 mph. Chance of precipitation is 50%.
Sunday
A chance of showers, mainly before 7am. Mostly cloudy, with a high near 65. Breezy, with a north northeast wind 15 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 57. Windy, with a northeast wind 24 to 26 mph, with gusts as high as 29 mph.
Monday
Mostly cloudy, with a high near 61. Breezy, with an east northeast wind 16 to 21 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 56. Breezy, with an east wind around 24 mph.
Tuesday
Partly sunny, with a high near 62. Breezy.
Tuesday Night
Mostly cloudy, with a low around 55. Windy.
Wednesday
Partly sunny, with a high near 63. Breezy.
Wednesday Night
Mostly cloudy, with a low around 55. Windy.
Thursday
Partly sunny, with a high near 64. Breezy.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Port Sanilac MI
 43.37°N 82.53°W (Elev. 577 ft)
Last Update:
4:24 pm EDT Sep 19, 2026
Forecast Valid:
9pm EDT Sep 19, 2026-6pm EDT Sep 26, 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