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

Oscoda, Oscoda-Wurtsmith Airport (KOSC)

Lat: 44.45°NLon: 83.37°WElev: 633ft.

Fair

48°F

9°C

Humidity 94%
Wind Speed NW 6 mph
Barometer 30.27 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 18 Sep 1:35 am EDT
Extended Forecast for

South Branch MI

  • Overnight

    Overnight: Mostly clear, with a low around 48. North wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 9am. Otherwise, increasing clouds, with a high near 67. Northeast wind around 5 mph.

    High: 67 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly between 2am and 5am. Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 8am. Mostly cloudy, with a high near 63. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 63 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. Northeast wind around 5 mph.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 48. North wind around 5 mph.
Friday
Patchy fog before 9am. Otherwise, increasing clouds, with a high near 67. Northeast wind around 5 mph.
Friday Night
A 30 percent chance of rain, mainly between 2am and 5am. Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of rain, mainly after 8am. Mostly cloudy, with a high near 63. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. Northeast wind around 5 mph.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Branch MI
 44.49°N 83.89°W (Elev. 1033 ft)
Last Update:
11:11 pm EDT Sep 17, 2026
Forecast Valid:
1am EDT Sep 18, 2026-6pm EDT Sep 24, 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