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

Frost/Freeze Expected Tonight

Frost/freeze conditions are expected across northern Michigan tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Harbor Springs, Harbor Springs Airport (KMGN)

Lat: 45.43°NLon: 84.91°WElev: 686ft.

Fair

50°F

10°C

Humidity 42%
Wind Speed NW 10 G 16 mph
Barometer 30.30 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 20 May 6:55 pm EDT
Extended Forecast for

3 Miles SW Petoskey MI

Frost Advisory May 21, 01:00am until May 21, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. Northwest wind 5 to 10 mph becoming light north in the evening.

    Low: 33 °F

    Mostly Clear
    then Frost

  • Thursday

    Thursday: Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 61. East wind around 5 mph.

    High: 61 °F

    Frost then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. East wind 5 to 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. East wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 45. East wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. Northwest wind 5 to 10 mph becoming light north in the evening.
Thursday
Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 61. East wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 38. East wind 5 to 10 mph.
Friday
Partly sunny, with a high near 64. East wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 45. East wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly cloudy, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 45.
Memorial Day
Mostly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Petoskey MI
 45.32°N 84.98°W (Elev. 745 ft)
Last Update:
7:11 pm EDT May 20, 2026
Forecast Valid:
7pm EDT May 20, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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