Forest Lake Weather Forecast

    • 44
    • 71

    Areas Fog

    • 42
    • 68

    Areas Fog

    • 42
    • 72

    Mostly Sunny

    • 43
    • 73

    Mostly Sunny

    • 44
    • 73

    Mostly Sunny

    • 53
    • 73

    Chance Rain Showers

Today 24 Sep Arenac

Mostly sunny. Highs around 70. East Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 24 Sep Arenac

Clear early then becoming partly cloudy. Patchy fog Early, then Areas of fog after midnight. Lows in the mid 40s. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Forest Lake Temperature Statistics

September Temperature

Houghton Lake, Roscommon County Airport (32.9 miles)

  • Lowest 14 September, 2026

    39.9 °F

  • Average September

    62 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Houghton Lake, Roscommon County Airport (32.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.8 °F
Get WillyWeather+ to remove ads