Current conditions at

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

Fair

43°F

6°C

Humidity 93%
Wind Speed SW 2 mph
Barometer 30.08 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 7 Sep 1:35 am EDT
Extended Forecast for

Portland MI

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 41. Light west wind.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 66. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Southwest wind 3 to 6 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. South wind 3 to 5 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 41. Light west wind.
Sunday
Mostly sunny, with a high near 66. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 39. West wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 70. Southwest wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 44. South wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland MI
 42.86°N 84.91°W (Elev. 748 ft)
1:03 am EDT Sep 7, 2025
1am EDT Sep 7, 2025-6pm EDT Sep 13, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database