Portage, MI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portage, MI in one place.
Mostly sunny, with a high near 45.
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: Apr 15, 2026 8:27 PM EDT.
The active forecast window currently covers Apr 19 to Apr 22, 2026 for Portage, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 22, 2026
- Latest sync
- Apr 15, 2026 8:27 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Portage
Tuesday looks like the warmest upcoming period in Portage at 68 degrees F.
Sunday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Sunday at about 10 to 17 mph WNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 8:27 PM EDT
- Coverage
- 4 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 29.
Sunny, with a high near 55.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 68.
A slight chance of rain showers after 8pm. Partly cloudy, with a low around 46.
A slight chance of rain showers. Mostly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Mostly Sunny
|
45°F |
10 to 17 mph
WNW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
29°F |
5 to 14 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
55°F |
5 to 9 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
41°F |
6 to 10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
68°F |
10 to 16 mph
SW
|
|
Tuesday Night
Apr 21
|
Slight Chance Rain Showers
|
46°F |
7 to 13 mph
W
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers
|
66°F |
7 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portage.