Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
64°F
18°C
| Humidity | 78% |
| Wind Speed | S 6 mph |
| Barometer | 29.97 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 18 May 5:36 am EDT |
Extended Forecast for
Port Huron MI
Today
High: 81 °F
Sunny then
Slight Chance
T-stormsTonight

Low: 64 °F
Showers
LikelyTuesday
High: 82 °F
Partly Sunny
then ShowersTuesday Night

Low: 46 °F
Showers
Wednesday

High: 55 °F
Partly Sunny
Wednesday Night

Low: 40 °F
Partly Cloudy
Thursday

High: 56 °F
Sunny
Thursday Night

Low: 44 °F
Partly Cloudy
Friday

High: 66 °F
Partly Sunny
Detailed Forecast
Today
A slight chance of showers and thunderstorms after 3pm. Partly sunny through mid morning, then becoming sunny, with a high near 81. South southwest wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely. Cloudy, then gradually becoming partly cloudy, with a low around 64. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm, mainly after 2pm. High near 82. South southwest wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 46. West southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 55. North wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 66.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 50.
Saturday
A chance of showers. Mostly cloudy, with a high near 68.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 71.
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ABOUT THIS FORECAST
Point Forecast:
Port Huron MI
42.99°N 82.43°W (Elev. 600 ft)
42.99°N 82.43°W (Elev. 600 ft)
4:25 am EDT May 18, 2026
5am EDT May 18, 2026-6pm EDT May 24, 2026



