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.

Fair

72°F

22°C

Humidity 53%
Wind Speed NE 7 mph
Barometer 29.97 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Jun 3:55 pm EDT
Extended Forecast for

3 Miles SSW Marine City MI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 76. Light north wind.

    High: 76 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly after 11pm. Low around 56. East southeast wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 73. East northeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. North wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. North northwest wind 5 to 9 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 76. Light north wind.
Tonight
Showers, mainly after 11pm. Low around 56. East southeast wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 73. East northeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 52. North wind 5 to 9 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 76. North northwest wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 60.
Thursday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Marine City MI
 42.69°N 82.49°W (Elev. 577 ft)
Last Update:
3:24 pm EDT Jun 21, 2026
Forecast Valid:
3pm EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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