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.

A Few Clouds

62°F

17°C

Humidity 96%
Wind Speed W 5 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 22 Aug 8:54 pm EDT
Extended Forecast for

6 Miles NNW Thunder Bay National Marine Sanctuary MI

  • Tonight

    Tonight: Isolated showers and thunderstorms before 11pm. Mostly cloudy, with a low around 58. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Scattered showers, mainly after 11am. Partly sunny, with a high near 66. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 66 °F

    Scattered
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 56 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Mostly cloudy through mid morning, then becoming sunny, with a high near 73. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Northwest wind 5 to 15 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 11pm. Mostly cloudy, with a low around 58. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
Scattered showers, mainly after 11am. Partly sunny, with a high near 66. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly cloudy through mid morning, then becoming sunny, with a high near 73. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 55. Northwest wind 5 to 15 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Showers likely, mainly after 2pm. Mostly sunny, with a high near 75.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 64.
Thursday
Showers likely, mainly after 8am. Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Thunder Bay National Marine Sanctuary MI
 45.12°N 83.33°W (Elev. 623 ft)
Last Update:
8:11 pm EDT Aug 22, 2026
Forecast Valid:
9pm EDT Aug 22, 2026-6pm EDT Aug 29, 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