Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
66°F
19°C
| Humidity | 35% |
| Wind Speed | S 9 G 16 mph |
| Barometer | 30.01 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 15 May 12:55 pm EDT |
Extended Forecast for
Saint Clair MI
This Afternoon

High: 68 °F
Partly Sunny
Tonight

Low: 52 °F
Partly Cloudy
Saturday
High: 77 °F
Showers
Likely then
Chance
ShowersSaturday Night
Low: 54 °F
Partly Cloudy
then Chance
ShowersSunday
High: 78 °F
Chance
Showers then
Partly SunnySunday Night

Low: 61 °F
Partly Cloudy
Monday

High: 88 °F
Sunny
Monday Night
Low: 66 °F
Partly Cloudy
then Chance
T-stormsTuesday
High: 86 °F
Chance
T-storms then
Showers
Likely
Detailed Forecast
This Afternoon
Partly sunny, with a high near 68. South southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 52. South wind 7 to 9 mph.
Saturday
Showers likely before 11am, then a chance of showers after noon. Mostly cloudy, with a high near 77. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers after 2am. Increasing clouds, with a low around 54. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
A chance of showers before 8am. Partly sunny, with a high near 78. Light and variable wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms 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 86.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers. Partly sunny, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST
Point Forecast:
Saint Clair MI
42.82°N 82.48°W (Elev. 577 ft)
42.82°N 82.48°W (Elev. 577 ft)
4:24 am EDT May 15, 2026
12pm EDT May 15, 2026-6pm EDT May 21, 2026


