City of Portage Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for City of Portage in one place.
Showers and thunderstorms likely. Partly sunny, with a high near 74. Northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for City of Portage 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 15, 2026 9:56 AM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of Portage.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 9:56 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in City of Portage
Thursday looks like the warmest upcoming period in City of Portage at 78 degrees F.
Monday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Saturday at about 9 to 13 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 9:56 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
A chance of rain showers before 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. East southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 2pm. Mostly cloudy, with a high near 78. West wind 3 to 7 mph. Chance of precipitation is 70%.
Mostly cloudy, with a low around 58.
Partly sunny, with a high near 75.
A chance of rain showers after 2am. Mostly cloudy, with a low around 57.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 78.
Showers and thunderstorms likely. Mostly cloudy, with a low around 60.
Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Showers And Thunderstorms Likely
|
74°F |
6 mph
NE
|
|
Wednesday Night
Sep 16
|
Showers And Thunderstorms Likely
|
62°F |
6 mph
ESE
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
78°F |
3 to 7 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Cloudy
|
58°F |
2 to 6 mph
N
|
|
Friday
Sep 18
|
Partly Sunny
|
75°F |
7 mph
ENE
|
|
Friday Night
Sep 18
|
Mostly Cloudy then Chance Rain Showers
|
57°F |
9 mph
ESE
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
78°F |
9 to 13 mph
S
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
60°F |
8 to 12 mph
W
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
72°F |
8 to 12 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
51°F |
6 to 12 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Showers And Thunderstorms
|
69°F |
7 to 12 mph
NE
|
|
Monday Night
Sep 21
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
48°F |
5 to 12 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around City of Portage.