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.

Mostly Cloudy

81°F

27°C

Humidity 66%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Jul 1:15 pm EDT
Extended Forecast for

Port Huron MI

  • Independence Day

    Independence Day: Scattered showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 82. North northwest wind around 6 mph. Chance of precipitation is 30%.

    High: 82 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 64. North northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 79. Northeast wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 79 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers before 7pm. Mostly cloudy, with a low around 63. North northeast wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny through mid morning, then becoming sunny, with a high near 80. Northeast wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 80 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Independence Day
Scattered showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 82. North northwest wind around 6 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 64. North northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 79. Northeast wind 5 to 9 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 7pm. Mostly cloudy, with a low around 63. North northeast wind 5 to 8 mph. Chance of precipitation is 30%.
Monday
Partly sunny through mid morning, then becoming sunny, with a high near 80. Northeast wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
A chance of showers. Partly sunny, with a high near 88.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 65.
Friday
A chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.99°N 82.43°W (Elev. 600 ft)
Last Update:
1:24 pm EDT Jul 4, 2026
Forecast Valid:
1pm EDT Jul 4, 2026-6pm EDT Jul 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation