Portland, MI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, MI in one place.
Sunny, with a high near 97.
Local Weather Overview
This forecast page for Portland, 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: Jul 12, 2026 5:12 AM EDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Portland, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 5:12 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Tuesday looks like the warmest upcoming period in Portland at 97 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 10 to 14 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 5:12 AM EDT
- Coverage
- 5 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
Mostly clear, with a low around 70.
Sunny, with a high near 94.
Mostly clear, with a low around 64.
Mostly sunny, with a high near 89.
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65.
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
97°F |
6 to 13 mph
WSW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
7 to 13 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
94°F |
6 to 9 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
64°F |
3 to 10 mph
NNW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
89°F |
3 to 8 mph
NNW
|
|
Thursday Night
Jul 16
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
64°F |
5 to 8 mph
N
|
|
Friday
Jul 17
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 9 mph
N
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
65°F |
10 mph
E
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
87°F |
10 to 14 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.