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

Alpena, Alpena County Regional Airport (KAPN)

Lat: 45.07°NLon: 83.56°WElev: 689ft.

Fair

47°F

8°C

Humidity 97%
Wind Speed Calm
Barometer 30.06 in (1018.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 28 Sep 5:54 am EDT
Extended Forecast for

Posen MI

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 70. North wind around 5 mph.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog between 10pm and 2am. Otherwise, mostly clear, with a low around 43. Calm wind becoming northwest around 5 mph.

    Low: 43 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Calm wind becoming south around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 70. South wind 5 to 10 mph.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 70. North wind around 5 mph.
Tonight
Patchy fog between 10pm and 2am. Otherwise, mostly clear, with a low around 43. Calm wind becoming northwest around 5 mph.
Tuesday
Mostly sunny, with a high near 74. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 54. South wind around 5 mph.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 70. South wind 5 to 10 mph.
Wednesday Night
Showers likely. Cloudy, with a low around 58. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Posen MI
 45.27°N 83.71°W (Elev. 797 ft)
Last Update:
5:11 am EDT Sep 28, 2026
Forecast Valid:
6am EDT Sep 28, 2026-6pm EDT Oct 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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