National Weather Service Forecast for: Portage MI
Issued by: National Weather Service Grand Rapids, MI
Updated: 4:03 pm EDT Jul 16, 2026
 
This
Afternoon
This Afternoon: Areas of smoke. Sunny, with a steady temperature around 87. Light north northwest wind.
Areas Smoke

 Tonight

Tonight: Widespread smoke, mainly after 2am. Mostly clear, with a low around 66. Light and variable wind.
Smoke

 Friday

Friday: A 40 percent chance of showers and thunderstorms after 2pm. Widespread smoke before noon, then areas of smoke after 1pm. Sunny, with a high near 89. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Smoke then
Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 5am. Patchy smoke before 8pm. Partly cloudy, with a low around 71. South southwest wind around 7 mph. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy
 Saturday

Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 87. West southwest wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
 Saturday
Night
Saturday Night: Mostly clear, with a low around 61.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 83.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 61.
Mostly Clear

 Monday

Monday: Mostly sunny, with a high near 85.
Mostly Sunny
Hi 87 °F Lo 66 °F Hi 89 °F Lo 71 °F Hi 87 °F Lo 61 °F Hi 83 °F Lo 61 °F Hi 85 °F

Air Quality Alert
 

This Afternoon
 
 Areas of smoke. Sunny, with a steady temperature around 87. Light north northwest wind.
Tonight
 
 Widespread smoke, mainly after 2am. Mostly clear, with a low around 66. Light and variable wind.
Friday
 
 A 40 percent chance of showers and thunderstorms after 2pm. Widespread smoke before noon, then areas of smoke after 1pm. Sunny, with a high near 89. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
 
 A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 5am. Patchy smoke before 8pm. Partly cloudy, with a low around 71. South southwest wind around 7 mph. Chance of precipitation is 30%.
Saturday
 
 A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 87. West southwest wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Saturday Night
 
 Mostly clear, with a low around 61.
Sunday
 
 Sunny, with a high near 83.
Sunday Night
 
 Mostly clear, with a low around 61.
Monday
 
 Mostly sunny, with a high near 85.
Monday Night
 
 Showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66.
Tuesday
 
 A chance of showers. Mostly sunny, with a high near 82.
Tuesday Night
 
 Mostly clear, with a low around 58.
Wednesday
 
 Sunny, with a high near 78.

 

Forecast from NOAA-NWS for Portage MI.