National Weather Service Forecast for: Portage MI
Issued by: National Weather Service Grand Rapids, MI
Updated: 2:20 am EDT Apr 6, 2026
 
Overnight

Overnight: Showers likely, mainly before 3am.  Mostly cloudy, with a steady temperature around 37. West wind around 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely
Monday

Monday: A 30 percent chance of showers, mainly after 5pm.  Mostly cloudy, with a high near 44. West northwest wind 9 to 16 mph, with gusts as high as 26 mph.
Mostly Cloudy
then Chance
Showers
Monday
Night
Monday Night: Partly cloudy, with a low around 22. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Partly Cloudy

Tuesday

Tuesday: Sunny, with a high near 42. Northeast wind 3 to 6 mph.
Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 27. Calm wind becoming southeast 5 to 7 mph after midnight.
Partly Cloudy

Wednesday

Wednesday: Mostly cloudy, with a high near 58.
Mostly Cloudy

Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 49.
Mostly Cloudy

Thursday

Thursday: A chance of showers.  Mostly cloudy, with a high near 66.
Chance
Showers
Thursday
Night
Thursday Night: Showers likely.  Mostly cloudy, with a low around 48.
Showers
Likely
Lo 37 °F Hi 44 °F Lo 22 °F Hi 42 °F Lo 27 °F Hi 58 °F Lo 49 °F Hi 66 °F Lo 48 °F

Hazardous Weather Outlook
 

Overnight
 
Showers likely, mainly before 3am. Mostly cloudy, with a steady temperature around 37. West wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
 
A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 44. West northwest wind 9 to 16 mph, with gusts as high as 26 mph.
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 42. Northeast wind 3 to 6 mph.
Tuesday Night
 
Partly cloudy, with a low around 27. Calm wind becoming southeast 5 to 7 mph after midnight.
Wednesday
 
Mostly cloudy, with a high near 58.
Wednesday Night
 
Mostly cloudy, with a low around 49.
Thursday
 
A chance of showers. Mostly cloudy, with a high near 66.
Thursday Night
 
Showers likely. Mostly cloudy, with a low around 48.
Friday
 
A chance of showers before 2pm. Partly sunny, with a high near 61.
Friday Night
 
A chance of showers. Partly cloudy, with a low around 43.
Saturday
 
A chance of showers. Mostly 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.