Portage, MI Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portage, MI in one place.
Partly sunny, with a high near 65. East northeast wind 2 to 6 mph.
Local Weather Overview
This forecast page for Portage, MI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 24, 2026 8:23 AM EDT.
The active forecast window currently covers Sep 25 to Sep 30, 2026 for Portage, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 25 to Sep 30, 2026
- Latest sync
- Sep 24, 2026 8:23 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Portage
Tuesday looks like the warmest upcoming period in Portage at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Wednesday at about 9 to 13 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 24, 2026 8:23 AM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KGRR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 44. East northeast wind around 3 mph.
Sunny, with a high near 68. East northeast wind around 5 mph.
Mostly clear, with a low around 45.
Sunny, with a high near 68.
Partly cloudy, with a low around 47.
Sunny, with a high near 69.
Mostly clear, with a low around 48.
Sunny, with a high near 71.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 57.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 69.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Sep 25
|
Partly Sunny
|
65°F |
2 to 6 mph
ENE
|
|
Friday Night
Sep 25
|
Partly Cloudy
|
44°F |
3 mph
ENE
|
|
Saturday
Sep 26
|
Sunny
|
68°F |
5 mph
ENE
|
|
Saturday Night
Sep 26
|
Mostly Clear
|
45°F |
3 mph
ENE
|
|
Sunday
Sep 27
|
Sunny
|
68°F |
3 mph
NE
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
47°F |
3 mph
NNE
|
|
Monday
Sep 28
|
Sunny
|
69°F |
0 to 3 mph
NE
|
|
Monday Night
Sep 28
|
Mostly Clear
|
48°F |
0 to 3 mph
NE
|
|
Tuesday
Sep 29
|
Sunny
|
71°F |
1 to 8 mph
SSE
|
|
Tuesday Night
Sep 29
|
Chance Rain Showers
|
57°F |
9 mph
SSE
|
|
Wednesday
Sep 30
|
Chance Rain Showers
|
69°F |
9 to 13 mph
SSW
|
|
Wednesday Night
Sep 30
|
Chance Showers And Thunderstorms
|
57°F |
6 to 13 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portage.