Mertensia Park Weather Forecast

    • 45
    • 57

    Slight Chance Rain Showers

    • 56
    • 72

    Chance Rain Showers

    • 49
    • 75

    Rain Showers

    • 44
    • 59

    Chance Rain Showers

    • 42
    • 62

    Rain Showers Likely

    • 41
    • 55

    Rain Showers Likely

    • 40
    • 56

    Chance Rain Showers

Today 17 Oct Ontario

Partly sunny. Highs Ranging from the lower 50s on the Hilltops to the upper 50s across the lower Elevations. Light northwest Winds.

Tonight 17 Oct Ontario

Mostly cloudy. Lows in the mid 40s. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mertensia Park Temperature Statistics

October Temperature

Rochester, Greater Rochester International Airport (18.6 miles)

  • Lowest 10 October, 2025

    33.1 °F

  • Average October

    57.5 °F

  • Highest 5 October, 2025

    86 °F

Climate (2020–Present)

Rochester, Greater Rochester International Airport (18.6 miles)

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

  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    59.7 °F
Get WillyWeather+ to remove ads