Port Austin, MI Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Aug 22 		Scattered Thunderstorms
Close Hourly 		71º / 61º 55% W 10 mph 82%
9am Thunderstorms 67º 67% SW 5 mph 84%
10am Cloudy 69º 14% SW 6 mph 83%
11am Cloudy 71º 16% WSW 6 mph 79%
12pm Cloudy 72º 19% W 8 mph 77%
1pm Scattered Thunderstorms 71º 55% W 9 mph 80%
2pm Scattered Thunderstorms 70º 52% W 9 mph 83%
3pm Cloudy 70º 21% WNW 9 mph 81%
4pm Isolated Thunderstorms 70º 32% WNW 9 mph 80%
5pm Scattered Thunderstorms 69º 45% NW 10 mph 82%
6pm Scattered Thunderstorms 69º 42% NNW 10 mph 81%
7pm Scattered Thunderstorms 68º 42% NNW 10 mph 82%
8pm Scattered Thunderstorms 67º 51% NNW 8 mph 83%
9pm Thunderstorms 66º 60% NW 8 mph 87%
10pm Scattered Thunderstorms 67º 52% NW 11 mph 82%
11pm Showers 65º 35% NW 14 mph 82%
Sun
Aug 23 		AM Clouds/PM Sun
View Hourly 		69º / 58º 24% NW 18 mph 71%
12am Partly Cloudy 65º 13% NW 15 mph 82%
1am Partly Cloudy 64º 12% NW 15 mph 82%
2am Partly Cloudy 63º 9% NW 15 mph 83%
3am Partly Cloudy 63º 16% NW 15 mph 85%
4am Partly Cloudy 62º 17% NW 15 mph 85%
5am Isolated Thunderstorms 62º 30% NW 16 mph 85%
6am Showers 62º 42% NW 15 mph 87%
7am Cloudy 62º 14% NW 15 mph 86%
8am Cloudy 62º 11% NW 16 mph 87%
9am Cloudy 64º 11% NW 18 mph 82%
10am Mostly Cloudy 65º 9% NW 17 mph 77%
11am Partly Cloudy 66º 5% NW 18 mph 71%
12pm Partly Cloudy 67º 5% NW 18 mph 68%
1pm Partly Cloudy 68º 3% NW 17 mph 63%
2pm Partly Cloudy 68º 6% NW 17 mph 63%
3pm Mostly Cloudy 68º 7% NW 16 mph 62%
4pm Mostly Cloudy 68º 20% NW 17 mph 62%
5pm Mostly Cloudy 67º 23% NW 16 mph 62%
6pm Cloudy 66º 21% NW 17 mph 63%
7pm Mostly Cloudy 65º 18% NW 16 mph 65%
8pm Mostly Cloudy 64º 8% NW 16 mph 68%
9pm Cloudy 63º 12% NW 16 mph 73%
10pm Cloudy 61º 24% NW 16 mph 76%
11pm Cloudy 60º 7% NW 16 mph 77%
Mon
Aug 24 		AM Clouds/PM Sun
View Hourly 		72º / 58º 10% NW 17 mph 68%
12am Cloudy 60º 24% NW 16 mph 78%
1am Cloudy 60º 24% NW 15 mph 79%
2am Cloudy 59º 22% NW 14 mph 81%
3am Cloudy 59º 21% WNW 15 mph 81%
4am Cloudy 59º 14% WNW 14 mph 80%
5am Cloudy 59º 14% WNW 15 mph 80%
6am Cloudy 60º 14% WNW 14 mph 80%
7am Cloudy 59º 10% WNW 14 mph 79%
8am Cloudy 60º 5% WNW 15 mph 81%
Tue
Aug 25 		Partly Cloudy 74º / 60º 5% WNW 6 mph 67%
Wed
Aug 26 		PM Thunderstorms 79º / 63º 42% SSW 10 mph 68%
Thu
Aug 27 		Scattered Thunderstorms 75º / 62º 42% W 9 mph 78%
Fri
Aug 28 		Mostly Sunny 72º / 57º 17% N 10 mph 72%
Sat
Aug 29 		Partly Cloudy 75º / 61º 9% NE 8 mph 66%

Weather Radar for Port Austin, MI See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Austin, MI

Today
High : 72ºF
S wind around 8 kt becoming WNW in the afternoon. Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. A chance of waterspouts, mainly after 8am. Waves 1 ft or less.
Tonight
Low : 64ºF
NW wind 13 to 21 kt. Showers and thunderstorms, mainly before 9pm. Waves 1 to 3 ft.
Sunday
High : 67ºF
NW wind 19 to 23 kt. Showers likely, mainly after 5pm. Waves 3 to 4 ft.
Sunday Night
Low : 61ºF
NW wind 21 to 24 kt. Showers likely, mainly before 7pm. Waves 3 to 4 ft.
Monday
High : 71ºF
NW wind 13 to 20 kt. Mostly sunny. Waves 2 to 3 ft.
Monday Night
Low : 62ºF
NW wind 11 to 13 kt. Partly cloudy. Waves around 1 ft.
Tuesday
High : 75ºF
NW wind 5 to 8 kt becoming WSW in the afternoon. Sunny. Waves 1 ft or less.
Tuesday Night
Low : 65ºF
SE wind 7 to 9 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.
Wednesday
High : 78ºF
SSW wind 9 to 11 kt. A chance of showers. Waves 1 ft or less.

NOAA Buoy Data Near Port Austin, MI See Map

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    Wind Speed Forecast for Port Austin, MI

    SaturdaySundayMonday
    Wind Speed (MPH) 591081516181716161515
    1pm5pm9pm1am5am9am1pm5pm9pm1am5am9am
    MPH 591081516181716161515
    DIR SWWNWNWNWNWNWNWNWNWNWWNW

    Current Weather Conditions In Port Austin, MI

    As Of: 4 minutes ago

    • 67ºF
    • 67ºF
    • 5mph
    • 0º (SW)
    • 5mph
    • Thunderstorms
    • 5mi
    • 29.86"
    • 84%
    • 0ºF

    The weather right now in Port Austin, MI is Thunderstorms. The current temperature is 67°F, and the expected high and low for today, Saturday, August 22, 2026, are 71° high temperature and 61°F low temperature. The wind is currently blowing at 5 miles per hour, and coming from the Southwest. The wind is gusting to 5 mph. With the wind and the atmosphere the temperature feels like 67° Fahrenheit. Expected precipitation is 67 percent, with current humidity at 84 percent, and air pressure at 29.86 in. Visibility is 5 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 3:20am Sat Aug 22 2026

    ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 10 AM MONDAY...

    WHAT: Expect sustained winds up to 25 knots from the northwest
    with gusts up to 30 knots. The largest significant waves will
    be 6 feet with a potential maximum wave height of 8 feet.

    WHERE: Outer Saginaw Bay SW of Alabaster to Port Austin MI to
    Inner Saginaw Bay and Port Austin to Harbor Beach MI.

    WHEN: The maximum winds are expected around 8 PM EDT Sunday
    with the largest waves expected around 10 PM EDT Sunday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&