Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
55°F
13°C
| Humidity | 88% |
| Wind Speed | SE 3 mph |
| Barometer | 30.19 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 11 Oct 12:55 am EDT |
Extended Forecast for
3 Miles NNW Port Huron MI
Overnight

Low: 58 °F
Mostly Cloudy
Sunday
High: 66 °F
Rain Likely
then Chance
RainSunday Night
Low: 55 °F
Mostly Cloudy
then Patchy
FogColumbus Day
High: 74 °F
Patchy Fog
then Mostly
SunnyMonday Night
Low: 62 °F
Chance
T-storms then
Rain LikelyTuesday

High: 76 °F
Rain Likely
Tuesday Night
Low: 55 °F
Rain Likely
then Mostly
CloudyWednesday

High: 64 °F
Mostly Cloudy
Wednesday Night

Low: 50 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 58. South southeast wind around 8 mph.
Sunday
Rain likely, mainly before 2pm. Cloudy, with a high near 66. Southeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 55. Calm wind.
Columbus Day
Patchy fog before 10am. Otherwise, partly sunny, with a high near 74. Light southwest wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
A chance of rain and thunderstorms before 2am, then rain likely between 2am and 5am, then rain likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 62. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Tuesday Night
Rain likely before 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A chance of rain after 2pm. Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 48.
Friday
A chance of rain. Mostly cloudy, with a high near 62.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 54.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNW Port Huron MI
43.01°N 82.45°W (Elev. 600 ft)
43.01°N 82.45°W (Elev. 600 ft)
4:24 pm EDT Oct 10, 2026
1am EDT Oct 11, 2026-6pm EDT Oct 17, 2026


