


Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fog/Mist
68°F
20°C
Humidity | 94% |
Wind Speed | Calm |
Barometer | 30.01 in |
Dewpoint | 66°F (19°C) |
Visibility | 3.00 mi |
Last update | 14 Jul 2:36 am EDT |
Extended Forecast for
Saint Clair MI
Overnight
Low: 64 °F
Mostly Cloudy
Monday
High: 86 °F
Becoming
SunnyMonday Night
Low: 66 °F
Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 68 °F
Partly Cloudy
Wednesday
High: 87 °F
Chance
T-storms then
Showers
LikelyWednesday Night
Low: 71 °F
Showers
Likely then
Chance
T-stormsThursday
High: 86 °F
Showers
LikelyThursday Night
Low: 66 °F
Showers
Likely then
Chance
T-storms
Detailed Forecast
Overnight
Mostly cloudy, with a low around 64. Calm wind.
Monday
Partly sunny, then gradually becoming sunny, with a high near 86. West northwest wind 3 to 5 mph.
Monday Night
Clear, with a low around 66. Calm wind.
Tuesday
Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66.
Friday
A chance of showers. Partly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A chance of showers. Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Saint Clair MI
42.8°N 82.48°W (Elev. 577 ft)
42.8°N 82.48°W (Elev. 577 ft)
2:25 am EDT Jul 14, 2025
2am EDT Jul 14, 2025-6pm EDT Jul 20, 2025