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.

Partly Cloudy

72°F

22°C

Humidity 50%
Wind Speed NW 9 mph
Barometer 29.87 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Aug 1:55 pm EDT
Extended Forecast for

Port Huron MI

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 71. Northwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northwest wind around 9 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. West wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 57. Northwest wind 3 to 6 mph.

    Low: 57 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 76. West northwest wind around 6 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 71. Northwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northwest wind around 9 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 71. West wind 11 to 14 mph, with gusts as high as 24 mph.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 57. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 76. West northwest wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 80.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.99°N 82.43°W (Elev. 600 ft)
Last Update:
4:24 am EDT Aug 23, 2026
Forecast Valid:
2pm EDT Aug 23, 2026-6pm EDT Aug 29, 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