Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Partly Cloudy
77°F
25°C
| Humidity | 83% |
| Wind Speed | Calm |
| Barometer | 29.96 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 2 Sep 1:55 am EDT |
Extended Forecast for
Marysville MI
Overnight

Low: 70 °F
Chance
T-stormsWednesday

High: 91 °F
Chance
T-stormsWednesday Night
Low: 69 °F
Chance
T-storms then
Chance
ShowersThursday
High: 85 °F
Showers
Likely then
Chance
T-stormsThursday Night
Low: 64 °F
Chance
T-storms then
Chance
ShowersFriday

High: 81 °F
Chance
ShowersFriday Night

Low: 61 °F
Mostly Cloudy
Saturday

High: 77 °F
Mostly Sunny
Saturday Night

Low: 59 °F
Mostly Clear
Detailed Forecast
Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light west southwest wind. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Light west southwest wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 5am. Mostly cloudy, with a low around 69. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.
Thursday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 85. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Light north wind. Chance of precipitation is 50%.
Friday
A chance of showers between 8am and 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 59.
Labor Day
Mostly sunny, with a high near 78.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST
Point Forecast:
Marysville MI
42.88°N 82.47°W (Elev. 577 ft)
42.88°N 82.47°W (Elev. 577 ft)
4:24 pm EDT Sep 1, 2026
2am EDT Sep 2, 2026-6pm EDT Sep 8, 2026



