Ottawa Lake Weather Forecast

    • 55
    • 74

    Slight Chance Rain Showers

    • 58
    • 70

    Rain Showers

    • 55
    • 66

    Rain Showers Likely

    • 52
    • 63

    Chance Rain Showers

    • 55
    • 63

    Chance Rain Showers

    • 54
    • 66

    Slight Chance Thunderstorms

Today 18 Sep Monroe

Partly cloudy. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 18 Sep Monroe

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ottawa Lake Temperature Statistics

September Temperature

Lambertville, Toledo Suburban Airport (5 miles)

  • Lowest 14 September, 2026

    46.4 °F

  • Average September

    71 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Lambertville, Toledo Suburban Airport (5 miles)

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

  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    60.6 °F
Get WillyWeather+ to remove ads