National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

Light Rain

63°F

17°C

Humidity 77%
Wind Speed S 10 mph
Barometer 29.71 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Oct 10:35 am EDT
Extended Forecast for

Portland MI

  • Today

    Today: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 73. South southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Some of the storms could produce heavy rainfall. Low around 53. South wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 53 °F

    Heavy Rain

  • Sunday

    Sunday: Showers. The rain could be heavy at times. Temperature rising to near 59 by 10am, then falling to around 53 during the remainder of the day. West northwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 59 °F⇓

    Heavy Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West northwest wind 7 to 14 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 60. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Partly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely. Partly sunny, with a high near 53. Chance of precipitation is 70%.

    High: 53 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 2pm. Partly sunny, with a high near 52.

    High: 52 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 73. South southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Some of the storms could produce heavy rainfall. Low around 53. South wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers. The rain could be heavy at times. Temperature rising to near 59 by 10am, then falling to around 53 during the remainder of the day. West northwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
A 30 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West northwest wind 7 to 14 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 60. West wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Showers likely, mainly after 2am. Partly cloudy, with a low around 45. Chance of precipitation is 70%.
Tuesday
Showers likely. Partly sunny, with a high near 53. Chance of precipitation is 70%.
Tuesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 39.
Wednesday
A chance of showers before 2pm. Partly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland MI
 42.88°N 84.9°W (Elev. 699 ft)
Last Update:
10:03 am EDT Oct 18, 2025
Forecast Valid:
10am EDT Oct 18, 2025-6pm EDT Oct 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation