National Weather Service Forecast for: Portage MI
Issued by: National Weather Service Grand Rapids, MI
Updated: 1:16 am EST Dec 23, 2025
 
Overnight

Overnight: A 20 percent chance of showers before 4am.  Cloudy, with a steady temperature around 37. Southwest wind around 7 mph.
Slight Chance
Showers
Tuesday

Tuesday: Mostly cloudy, with a high near 44. West wind 6 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy

Tuesday
Night
Tuesday Night: Patchy fog between 3am and 4am.  Otherwise, mostly cloudy, with a low around 26. West northwest wind 3 to 8 mph.
Partly Cloudy
then Patchy
Fog
Wednesday

Wednesday: Mostly cloudy, with a high near 40. Calm wind becoming southeast 5 to 8 mph in the morning.
Mostly Cloudy

Wednesday
Night
Wednesday Night: Rain likely, mainly before 1am.  Cloudy, with a low around 33. Southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.
Rain Likely

Christmas
Day
Christmas Day: Mostly cloudy, with a high near 44.
Mostly Cloudy

Thursday
Night
Thursday Night: Showers likely after 1am.  Cloudy, with a low around 38. Chance of precipitation is 70%.
Cloudy then
Showers
Likely
Friday

Friday: Showers likely before 1pm.  Mostly cloudy, with a high near 47.
Showers
Likely
Friday
Night
Friday Night: Mostly cloudy, with a low around 32.
Mostly Cloudy

Lo 37 °F Hi 44 °F Lo 26 °F Hi 40 °F Lo 33 °F Hi 44 °F Lo 38 °F Hi 47 °F Lo 32 °F

 

Overnight
 
A 20 percent chance of showers before 4am. Cloudy, with a steady temperature around 37. Southwest wind around 7 mph.
Tuesday
 
Mostly cloudy, with a high near 44. West wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
 
Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 26. West northwest wind 3 to 8 mph.
Wednesday
 
Mostly cloudy, with a high near 40. Calm wind becoming southeast 5 to 8 mph in the morning.
Wednesday Night
 
Rain likely, mainly before 1am. Cloudy, with a low around 33. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Christmas Day
 
Mostly cloudy, with a high near 44.
Thursday Night
 
Showers likely after 1am. Cloudy, with a low around 38. Chance of precipitation is 70%.
Friday
 
Showers likely before 1pm. Mostly cloudy, with a high near 47.
Friday Night
 
Mostly cloudy, with a low around 32.
Saturday
 
Mostly cloudy, with a high near 46.
Saturday Night
 
A chance of showers. Mostly cloudy, with a low around 28.
Sunday
 
A chance of rain and snow showers. Mostly cloudy, with a high near 39. Breezy.
Sunday Night
 
Snow showers likely. Mostly cloudy, with a low around 16.
Monday
 
Snow showers likely. Mostly cloudy, with a high near 25.

 

Forecast from NOAA-NWS for Portage MI.