| National Weather Service Forecast for:
Portage MI Issued by: National Weather Service Grand Rapids, MI |
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| Updated: 3:37 am EDT Jun 30, 2026 | ||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 74. South southwest wind around 6 mph. |
| Tuesday |
Sunny and hot, with a high near 94. Heat index values as high as 105. Southwest wind 8 to 13 mph, with gusts as high as 26 mph. |
| Tuesday Night |
Mostly clear, with a low around 75. Southwest wind 7 to 10 mph, with gusts as high as 25 mph. |
| Wednesday |
Sunny and hot, with a high near 95. Heat index values as high as 103. West southwest wind 7 to 10 mph, with gusts as high as 23 mph. |
| Wednesday Night |
Clear, with a low around 75. Southwest wind 8 to 11 mph, with gusts as high as 25 mph. |
| Thursday |
Sunny and hot, with a high near 94. |
| Thursday Night |
A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. |
| Friday |
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. |
| Friday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. |
| Independence Day |
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. |
| Saturday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. |
| Sunday |
A chance of showers and thunderstorms. Partly sunny, with a high near 86. |
| Sunday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. |
| Monday |
Mostly sunny, with a high near 85. |
Forecast from NOAA-NWS for Portage MI.