National Weather Service Forecast for: Portage MI
Issued by: National Weather Service Grand Rapids, MI
Updated: 6:03 pm EDT Jul 28, 2026
 
Tonight

Tonight: Clear, with a low around 56. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 23 mph.
Clear
 Wednesday

Wednesday: Sunny, with a high near 81. Light north wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 57. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 61. West northwest wind around 5 mph becoming calm in the evening.
Mostly Clear
 Friday

Friday: Partly sunny, with a high near 83.
Partly Sunny
 Friday
Night
Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Chance
Showers
 Saturday

Saturday: A chance of showers. Mostly cloudy, with a high near 79.
Chance
Showers
 Saturday
Night
Saturday Night: A chance of showers before 2am. Mostly cloudy, with a low around 61.
Chance
Showers
Lo 56 °F Hi 81 °F Lo 57 °F Hi 84 °F Lo 61 °F Hi 83 °F Lo 64 °F Hi 79 °F Lo 61 °F

 

Tonight
 
 Clear, with a low around 56. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 23 mph.
Wednesday
 
 Sunny, with a high near 81. Light north wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
 
 Mostly clear, with a low around 57. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Thursday
 
 Sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 61. West northwest wind around 5 mph becoming calm in the evening.
Friday
 
 Partly sunny, with a high near 83.
Friday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Saturday
 
 A chance of showers. Mostly cloudy, with a high near 79.
Saturday Night
 
 A chance of showers before 2am. Mostly cloudy, with a low around 61.
Sunday
 
 Partly sunny, with a high near 81.
Sunday Night
 
 Partly cloudy, with a low around 59.
Monday
 
 Mostly sunny, with a high near 84.
Monday Night
 
 Mostly clear, with a low around 61.
Tuesday
 
 Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Portage MI.