Lake Ontario Weather Forecast

    • 50
    • 75

    Decreasing Clouds

    • 55
    • 82

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 41
    • 64

    Chance Rain Showers

    • 44
    • 60

    Rain Showers

    • 41
    • 61

    Chance Rain Showers

    • 44
    • 65

    Mostly Sunny

Today 9 Sep Wells

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 9 Sep Wells

Mostly clear. Lows in the upper 40s. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Ontario Temperature Statistics

September Temperature

Harvey Municipal Airport (21.1 miles)

  • Lowest 2 September, 2026

    50 °F

  • Average September

    68.3 °F

  • Highest 4 September, 2026

    84.2 °F

Climate (2021–2026)

Harvey Municipal Airport (21.1 miles)

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

  • Average Low 2021–2026

    30.4 °F

  • Average 2021–2026

    41.2 °F

  • Average High 2021–2026

    51.8 °F
Get WillyWeather+ to remove ads