NWS Forecast for Portage MI

National Weather Service Forecast for: Portage MI
Issued by: National Weather Service Grand Rapids, MI

Updated: 12:41 am EDT Apr 6, 2026

Overnight Chance Showers	Monday Chance Showers	Monday Night Partly Cloudy	Tuesday Sunny	Tuesday Night Partly Cloudy	Wednesday Mostly Cloudy	Wednesday Night Mostly Cloudy then Chance Showers	Thursday Chance Showers	Thursday Night Chance Showers
Lo 37 °F	Hi 44 °F	Lo 22 °F	Hi 41 °F	Lo 29 °F	Hi 59 °F	Lo 51 °F	Hi 66 °F	Lo 46 °F

Hazardous Weather Outlook

Overnight	A 50 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a steady temperature around 37. West wind 6 to 9 mph.
Monday	A slight chance of showers before 8am, then a chance of showers after 4pm. Mostly cloudy, with a high near 44. West northwest wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night	Partly cloudy, with a low around 22. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday	Sunny, with a high near 41. North wind 3 to 6 mph.
Tuesday Night	Partly cloudy, with a low around 29. Calm wind becoming southeast around 6 mph after midnight.
Wednesday	Mostly cloudy, with a high near 59.
Wednesday Night	A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 51.
Thursday	A chance of showers. Partly sunny, with a high near 66.
Thursday Night	A chance of showers. Mostly cloudy, with a low around 46.
Friday	A chance of showers. Partly sunny, with a high near 62.
Friday Night	A chance of showers. Mostly cloudy, with a low around 42.
Saturday	A chance of showers. Partly sunny, with a high near 63.
Saturday Night	A chance of showers. Mostly cloudy, with a low around 50.
Sunday	A chance of showers. Mostly cloudy, with a high near 75.

Forecast from NOAA-NWS for Portage MI.