Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
28°F
-2°C
| Humidity | 69% |
| Wind Speed | N 5 mph |
| Barometer | 30.42 in |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 23 Mar 8:36 pm EDT |
Extended Forecast for
Marysville MI
Tonight
Low: 23 °F
Mostly Clear
Tuesday
High: 45 °F
Increasing
CloudsTuesday Night
Low: 30 °F
Mostly Cloudy
Wednesday
High: 52 °F
Mostly Cloudy
Wednesday Night
Low: 43 °F
Mostly Cloudy
Thursday
High: 61 °F
Partly Sunny
then Rain
LikelyThursday Night
Low: 28 °F
Rain Likely
Friday
High: 33 °F
Partly Sunny
Friday Night
Low: 22 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 23. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 45. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 30. Light south wind.
Wednesday
Mostly cloudy, with a high near 52. South wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 43. Southwest wind around 6 mph.
Thursday
Rain likely after 2pm. Increasing clouds, with a high near 61. Chance of precipitation is 60%.
Thursday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 22.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marysville MI
42.91°N 82.47°W (Elev. 587 ft)
42.91°N 82.47°W (Elev. 587 ft)
4:24 pm EDT Mar 23, 2026
8pm EDT Mar 23, 2026-6pm EDT Mar 30, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
